{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-111497", "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "state": "PUBLISHED", "assignerShortName": "Google", "dateReserved": "2026-10-16T09:58:17.790Z", "datePublished": "2026-10-22T13:35:41.975Z", "dateUpdated": "2026-10-28T03:55:48.896Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google", "dateUpdated": "2026-10-27T14:58:42.704Z"}, "title": "Out-of-Bounds Write in Google Brotli Decoder", "datePublic": "2026-02-27T07:50:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-252", "description": "CWE-252 Unchecked Return Value", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "affected": [{"vendor": "Google", "product": "Brotli", "packageName": "github.com/google/brotli", "repo": "https://github.com/google/brotli", "versions": [{"status": "affected", "version": "1.0.3", "lessThan": "1.0.10", "versionType": "semver"}, {"status": "affected", "version": "1.1.0", "lessThan": "1.1.1", "versionType": "semver"}, {"status": "affected", "version": "1.2.0", "lessThan": "1.2.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.\n\n\n\n\n\nUsers need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>A buffer overflow vulnerability in the Brotli decoder (<code>c/dec/decode.c</code>) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.<br><br></p><p>Users need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.<span></span></p>"}]}], "references": [{"url": "https://nodejs.org/en/blog/vulnerability/october-2026-security-releases#nodejs-brotli-decoder-out-of-bounds-write-permits-remote-code-execution-cve-2026-111497---high", "tags": ["patch"]}, {"url": "https://github.com/andybalholm/brotli/releases/tag/v1.2.7", "tags": ["release-notes", "third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "Update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1."}]}], "credits": [{"lang": "en", "value": "OpenAI Codex Security - Khai Tran and Sylvie Mayer", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-23T00:00:00+00:00", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-111497"}}}], "references": [{"url": "https://ellio.tech/en/blog/node2shell-cve-2026-111497-rce-on-stock-nodejs-builds/", "tags": ["third-party-advisory"]}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-111497", "tags": ["government-resource"]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-28T03:55:48.896Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-26T18:10:34.928Z"}, "references": [{"url": "https://github.com/advisories/GHSA-9v8h-qqgm-4m35"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/23/25"}, {"url": "https://lists.debian.org/debian-lts-announce/2026/10/msg00049.html"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/24/6"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/26/12"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/26/13"}, {"url": "https://www.aikido.dev/blog/node2shell-nodejs-brotli-rce-cve-2026-111497"}, {"url": "https://broccoli2shell.com"}, {"url": "https://github.com/dotnet/announcements/issues/494"}, {"url": "https://github.com/google/brotli/releases/tag/v1.2.1"}, {"url": "https://github.com/google/brotli/releases/tag/v1.1.1"}, {"url": "https://github.com/google/brotli/releases/tag/v1.0.10"}, {"url": "https://patchtheplanet.org/brotli"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/26/16"}], "title": "CVE Program Container", "x_generator": {"engine": "ADPogram 0.0.1"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/advisories/GHSA-9v8h-qqgm-4m35"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/23/25"}, {"url": "https://lists.debian.org/debian-lts-announce/2026/10/msg00049.html"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/24/6"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/26/12"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/26/13"}, {"url": "https://www.aikido.dev/blog/node2shell-nodejs-brotli-rce-cve-2026-111497"}, {"url": "https://broccoli2shell.com"}, {"url": "https://github.com/dotnet/announcements/issues/494"}, {"url": "https://github.com/google/brotli/releases/tag/v1.2.1"}, {"url": "https://github.com/google/brotli/releases/tag/v1.1.1"}, {"url": "https://github.com/google/brotli/releases/tag/v1.0.10"}, {"url": "https://patchtheplanet.org/brotli"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/26/16"}], "x_generator": {"engine": "ADPogram 0.0.1"}, "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-26T18:10:34.928Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-111497", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-27T19:53:21.238552Z"}}}], "references": [{"url": "https://ellio.tech/en/blog/node2shell-cve-2026-111497-rce-on-stock-nodejs-builds/", "tags": ["third-party-advisory"]}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-111497", "tags": ["government-resource"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-22T19:00:18.440Z"}}], "cna": {"title": "Out-of-Bounds Write in Google Brotli Decoder", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "OpenAI Codex Security - Khai Tran and Sylvie Mayer"}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/google/brotli", "vendor": "Google", "product": "Brotli", "versions": [{"status": "affected", "version": "1.0.3", "lessThan": "1.0.10", "versionType": "semver"}, {"status": "affected", "version": "1.1.0", "lessThan": "1.1.1", "versionType": "semver"}, {"status": "affected", "version": "1.2.0", "lessThan": "1.2.1", "versionType": "semver"}], "packageName": "github.com/google/brotli", "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.", "supportingMedia": [{"type": "text/html", "value": "Update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.", "base64": false}]}], "datePublic": "2026-02-27T07:50:00.000Z", "references": [{"url": "https://nodejs.org/en/blog/vulnerability/october-2026-security-releases#nodejs-brotli-decoder-out-of-bounds-write-permits-remote-code-execution-cve-2026-111497---high", "tags": ["patch"]}, {"url": "https://github.com/andybalholm/brotli/releases/tag/v1.2.7", "tags": ["release-notes", "third-party-advisory"]}], "x_generator": {"engine": "Vulnogram 1.0.2"}, "descriptions": [{"lang": "en", "value": "A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.\n\n\n\n\n\nUsers need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.", "supportingMedia": [{"type": "text/html", "value": "<p>A buffer overflow vulnerability in the Brotli decoder (<code>c/dec/decode.c</code>) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.<br><br></p><p>Users need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.<span></span></p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-252", "description": "CWE-252 Unchecked Return Value"}]}], "providerMetadata": {"orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google", "dateUpdated": "2026-10-27T14:58:42.704Z"}}}, "cveMetadata": {"cveId": "CVE-2026-111497", "state": "PUBLISHED", "dateUpdated": "2026-10-28T03:55:48.896Z", "dateReserved": "2026-10-16T09:58:17.790Z", "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "datePublished": "2026-10-22T13:35:41.975Z", "assignerShortName": "Google"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "github.com/google/brotli", "product": "Brotli", "repo": "https://github.com/google/brotli", "vendor": "Google", "versions": [{"lessThan": "1.0.10", "status": "affected", "version": "1.0.3", "versionType": "semver"}, {"lessThan": "1.1.1", "status": "affected", "version": "1.1.0", "versionType": "semver"}, {"lessThan": "1.2.1", "status": "affected", "version": "1.2.0", "versionType": "semver"}]}], "source": "cve-coordination@google.com"}], "cisaActionDue": "2026-11-10", "cisaExploitAdd": "2026-10-27", "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "cisaVulnerabilityName": "Google Brotli Unchecked Return Value Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:google:brotli:*:*:*:*:*:-:*:*", "matchCriteriaId": "8A7BE60F-21B0-4779-8D59-6E5E58C5826B", "versionEndExcluding": "1.0.10", "versionStartIncluding": "1.0.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:google:brotli:*:*:*:*:*:-:*:*", "matchCriteriaId": "48E72297-AFBD-4460-A732-5A6803CCCDB0", "versionEndExcluding": "1.1.1", "versionStartIncluding": "1.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:google:brotli:*:*:*:*:*:-:*:*", "matchCriteriaId": "C8CA5C74-26A8-44E3-B893-1FA01CED49F5", "versionEndExcluding": "1.2.1", "versionStartIncluding": "1.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*", "matchCriteriaId": "02348F18-5E17-4427-8B78-63B4082F2FB4", "versionEndExcluding": "22.23.4", "vulnerable": true}, {"criteria": "cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*", "matchCriteriaId": "852D09BB-A396-4813-81C9-7D89D5DD5FB6", "versionEndExcluding": "24.22.1", "versionStartIncluding": "23.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*", "matchCriteriaId": "219CA855-3A40-42CE-BAB6-79CCFEE7746F", "versionEndExcluding": "26.12.1", "versionStartIncluding": "25.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:python-hyper:brotlicffi:*:*:*:*:*:python:*:*", "matchCriteriaId": "E732E75B-4BEF-4D7E-8520-E03B707FB4F6", "versionEndExcluding": "1.2.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "matchCriteriaId": "65DCE51C-2CD9-4179-9354-5323D28573AA", "versionEndExcluding": "8.0.33", "versionStartIncluding": "8.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "matchCriteriaId": "98654489-8C4E-4801-8728-29B01A22DEED", "versionEndExcluding": "9.0.22", "versionStartIncluding": "9.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "matchCriteriaId": "27DF5CF4-58E3-4F01-A3AA-D44B7DCC3D67", "versionEndExcluding": "10.0.14", "versionStartIncluding": "10.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:11.0.0:preview1:*:*:*:*:*:*", "matchCriteriaId": "5DACF2FE-CF61-43E4-8A3F-F7A358DE8A01", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:11.0.0:preview2:*:*:*:*:*:*", "matchCriteriaId": "280B2E64-3163-40AB-A048-14D58DEC42FD", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:11.0.0:preview3:*:*:*:*:*:*", "matchCriteriaId": "12357908-3294-46EF-85A0-DA3F86C97489", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:11.0.0:preview4:*:*:*:*:*:*", "matchCriteriaId": "849FC8F5-86CD-4B5D-ADFD-9CB16EA75D09", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:11.0.0:preview5:*:*:*:*:*:*", "matchCriteriaId": "C86E87E2-B236-4AC9-B6C3-64B9CDEC91EB", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:11.0.0:preview6:*:*:*:*:*:*", "matchCriteriaId": "9B14656E-2BB0-4B4B-B518-F3D5108253ED", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:11.0.0:preview7:*:*:*:*:*:*", "matchCriteriaId": "E09C9DB3-F42C-4442-9CF0-24A780D094C8", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:11.0.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "67035E86-61F5-421E-B243-EF64458AD8BA", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:11.0.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "C46300CA-BA84-48B3-85C5-C20CB487C733", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*", "matchCriteriaId": "46D69DCC-AE4D-4EA5-861C-D60951444C6C", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "matchCriteriaId": "9F01FA9D-7190-431F-84DD-24D4EBC41A2D", "versionEndExcluding": "1.29.9", "vulnerable": true}, {"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "matchCriteriaId": "B8DE25CE-AFCB-4685-9836-B8EC9C820975", "versionEndExcluding": "1.30.6", "versionStartIncluding": "1.30.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "matchCriteriaId": "55EBE231-2EB8-4C9C-B279-D07F82EA5B55", "versionEndExcluding": "1.31.2", "versionStartIncluding": "1.31.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:anthropic:bun:*:*:*:*:*:*:*:*", "matchCriteriaId": "51DD72B3-85F6-4B10-AEB4-41E0679ED0AA", "versionEndExcluding": "1.4.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*", "matchCriteriaId": "8EE6278D-A48A-427C-8A7E-1D4103E2ADF7", "versionEndExcluding": "1.37.8", "vulnerable": true}, {"criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDCA301F-83CA-4DDB-AAE4-24D5235EE2D5", "versionEndExcluding": "1.38.6", "versionStartIncluding": "1.38.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*", "matchCriteriaId": "B9A47DD3-2655-4722-9B9D-3888B590C82F", "versionEndExcluding": "1.39.3", "versionStartIncluding": "1.39.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*", "matchCriteriaId": "C4CFCBFB-4A38-481B-93AE-7D86CCDC6FB5", "versionEndIncluding": "202608", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:google:woff2:-:*:*:*:*:*:*:*", "matchCriteriaId": "6D1FC23A-20F7-48F7-ABB8-8D37903DFB58", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:duckdb:duckdb:*:*:*:*:*:*:*:*", "matchCriteriaId": "0DFA4F95-92F9-4369-BE42-387520F0765B", "versionEndIncluding": "2.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:clickhouse:clickhouse:*:*:*:*:*:*:*:*", "matchCriteriaId": "B40EE389-E2AC-4D86-91B2-79A895470317", "versionEndIncluding": "26.10.2.103", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:arrow:*:*:*:*:*:*:*:*", "matchCriteriaId": "46A78CA5-1E4A-4DAA-B40D-387B96C1E2F9", "versionEndIncluding": "26.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:arrow:27.0.0:dev:*:*:*:*:*:*", "matchCriteriaId": "130A7077-7885-43CB-8AFF-B6056D380156", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mcmilk:7-zip-zstd:*:*:*:*:*:*:*:*", "matchCriteriaId": "FB91A353-9BE9-49E7-86FD-6B5FBB291351", "versionEndIncluding": "26.02-1.5.7-r2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:7-zip:p7zip:*:*:*:*:*:*:*:*", "matchCriteriaId": "76A26292-08BE-459A-B25A-CA14AF8D3C29", "versionEndIncluding": "16.02", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:andybalholm:brotli:*:*:*:*:*:go:*:*", "matchCriteriaId": "F3E50F12-AEFE-4B4F-B474-3676F145E032", "versionEndExcluding": "1.2.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.\n\n\n\n\n\nUsers need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1."}], "id": "CVE-2026-111497", "lastModified": "2026-10-28T17:47:31.370", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.2, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cve-coordination@google.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-111497", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-23T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-10-22T14:17:37.190", "references": [{"source": "cve-coordination@google.com", "tags": ["Release Notes"], "url": "https://github.com/andybalholm/brotli/releases/tag/v1.2.7"}, {"source": "cve-coordination@google.com", "tags": ["Third Party Advisory"], "url": "https://nodejs.org/en/blog/vulnerability/october-2026-security-releases#nodejs-brotli-decoder-out-of-bounds-write-permits-remote-code-execution-cve-2026-111497---high"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/10/23/25"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/10/24/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/10/26/12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/10/26/13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/10/26/16"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://broccoli2shell.com"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/advisories/GHSA-9v8h-qqgm-4m35"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mitigation", "Third Party Advisory"], "url": "https://github.com/dotnet/announcements/issues/494"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/google/brotli/releases/tag/v1.0.10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/google/brotli/releases/tag/v1.1.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/google/brotli/releases/tag/v1.2.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2026/10/msg00049.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://patchtheplanet.org/brotli"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.aikido.dev/blog/node2shell-nodejs-brotli-rce-cve-2026-111497"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Third Party Advisory"], "url": "https://ellio.tech/en/blog/node2shell-cve-2026-111497-rce-on-stock-nodejs-builds/"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-111497"}], "sourceIdentifier": "cve-coordination@google.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-252"}, {"lang": "en", "value": "CWE-787"}], "source": "cve-coordination@google.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2026:87420", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "brotli-main-1.2.1-0.1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-10-21T00:00:00Z"}], "bugzilla": {"description": "brotli: Out-of-Bounds Write in Google Brotli Decoder", "id": "2558973", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2558973"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-787", "details": ["A flaw was found in the Google Brotli decoder. An out-of-bounds write in the block-type switch handling in c/dec/decode.c can be triggered by a crafted Brotli-compressed stream. When an application decompresses untrusted Brotli data, this can lead to memory disclosure, denial of service, or potentially arbitrary code execution."], "mitigation": {"lang": "en:us", "value": "Limit exposure of services that decompress Brotli from untrusted peers, and restrict network access to those services where practical. Prefer not accepting or auto-decoding Content-Encoding: br from untrusted sources when the application allows that configuration."}, "name": "CVE-2026-111497", "package_state": [{"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Not affected", "package_name": "build-of-trustee/trustee-rhel9", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/a:redhat:exploit_intelligence:0", "fix_state": "Affected", "package_name": "exploit-intelligence/vulnerability-analysis-rhel9", "product_name": "Exploit Intelligence"}, {"cpe": "cpe:/a:redhat:logging:6", "fix_state": "Not affected", "package_name": "openshift-logging/vector-rhel9", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:service_mesh:3", "fix_state": "Affected", "package_name": "istio-proxy", "product_name": "OpenShift Service Mesh 3"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "ansible-automation-platform-25/controller-rhel8", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "ansible-automation-platform-26/controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "ansible-automation-platform-26/ee-supported-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "ansible-automation-platform-27/controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "ansible-automation-platform-27/ee-supported-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Not affected", "package_name": "ansible-automation-platform/automation-dashboard-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Not affected", "package_name": "automation-controller", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "python3.11-brotli", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "python3.12-brotli", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "python3x-brotli", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:connectivity_link:1", "fix_state": "Not affected", "package_name": "rhcl-1/limitador-rhel9", "product_name": "Red Hat Connectivity Link 1"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "brotli", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "goose", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "trustee", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "brotli", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mozjs60", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "nodejs:24/nodejs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "brotli", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "goose", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "keylime-agent-rust", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "nodejs:24/nodejs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "nodejs:26/nodejs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Not affected", "package_name": "rust", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Affected", "package_name": "jbcs-httpd24-brotli", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-mlserver-cuda-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-mlserver-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_update_service:5", "fix_state": "Not affected", "package_name": "openshift-update-service/openshift-update-service-rhel8", "product_name": "Red Hat OpenShift Update Service"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "python3.12-brotli", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "python-brotli", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "satellite/iop-advisor-frontend-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "satellite/iop-vulnerability-engine-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "satellite/iop-vulnerability-frontend-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:trusted_profile_analyzer:2", "fix_state": "Not affected", "package_name": "rhtpa/rhtpa-trustification-service-rhel9", "product_name": "Red Hat Trusted Profile Analyzer"}, {"cpe": "cpe:/a:redhat:trusted_profile_analyzer:3", "fix_state": "Not affected", "package_name": "rhtpa/rhtpa-rhel10", "product_name": "Red Hat Trusted Profile Analyzer"}, {"cpe": "cpe:/a:redhat:rhui:4::el8", "fix_state": "Affected", "package_name": "python-brotli", "product_name": "Red Hat Update Infrastructure 4 for Cloud Providers"}], "public_date": "2026-10-22T13:35:41Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-111497\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-111497\nhttps://nodejs.org/en/blog/vulnerability/october-2026-security-releases#nodejs-brotli-decoder-out-of-bounds-write-permits-remote-code-execution-cve-2026-111497---high"], "statement": "This issue is rated Important. Exploitation requires that the target decompress attacker-controlled Brotli data (for example HTTP content negotiated with Content-Encoding: br, or APIs such as Node.js zlib / fetch() that decode Brotli). The vulnerable path is reached with a malformed stream rather than typical well-formed encoder output, and there is no public, reliable remote code execution proof-of-concept. Red Hat Enterprise Linux compiler and runtime hardenings \u2014 including Address Space Layout Randomization (ASLR), Non-eXecutable (NX) memory, FORTIFY_SOURCE, and SELinux \u2014 increase the difficulty of turning this memory corruption into reliable code execution, though they do not eliminate crashes or all impact. Combined with the Attack Requirements noted by the CNA (CVSS v4 AT:P), Red Hat scores Attack Complexity as High and rates the flaw Important rather than Critical.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.0.3,1.0.10)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.1.0,1.1.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.2.0,1.2.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Brotli", "source": "cna", "vendor": "Google"}, "product": "brotli", "vendor": "google"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.0.3,1.0.10)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.1.0,1.1.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.2.0,1.2.1)"}}], "original": {"product": "Brotli", "source": "cna", "vendor": "Google"}, "product": "nodejs", "vendor": "nodejs"}], "created": "2026-10-22T14:15:06.461631+00:00", "updated": "2026-10-28T14:30:22.629046+00:00", "vendors": ["google", "google$PRODUCT$brotli", "nodejs", "nodejs$PRODUCT$nodejs"]}