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{"bugzilla": {"description": "xorg-x11-server: XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read", "id": "2545945", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545945"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in xorg-x11-server. An authenticated local user can trigger an out-of-bounds heap memory read by sending specially crafted X Keyboard Extension (XKB) requests with inconsistent key range parameters. This flaw leads to information disclosure, allowing the user to read sensitive data from the server's heap memory."], "name": "CVE-2026-93524", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "xorg-x11-server-Xwayland", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "xorg-x11-server", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "xorg-x11-server", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "xorg-x11-server", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "xorg-x11-server-Xwayland", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "xorg-x11-server", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "xorg-x11-server-Xwayland", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-07T12:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-93524\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-93524"], "statement": "This vulnerability is rated as Low severity for Red Hat Enterprise Linux because exploitation is limited to a local authenticated user session and results solely in a bounded information disclosure without compromising system integrity or availability. A local client connected to the X11 server or Xwayland can trigger an out-of-bounds heap read through crafted keyboard mapping requests, leaking internal server process memory back to the client. The issue does not permit remote access, privilege escalation, or service crashes.", "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 90.0, "source": "matching"}]}, "product": "x_server", "vendor": "x.org"}], "created": "2026-10-08T14:30:18.937472+00:00", "updated": "2026-10-28T17:45:02.516727+00:00", "vendors": ["x.org", "x.org$PRODUCT$x_server"]}