application that deserializes a REQ sketch from an untrusted source
can have heap memory corrupted by a crafted sketch, because the
serialized compactor headers were not validated.
This issue affects Apache DataSketches C++: from 3.0.0 through 5.3.0.
Users are recommended to upgrade to version 5.3.1, which fixes the
issue.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Fri, 13 Nov 2026 11:30:00 +0000
| Type | Values Removed | Values Added |
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| References |
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Fri, 13 Nov 2026 10:45:00 +0000
| Type | Values Removed | Values Added |
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| Description | Out-of-bounds Write vulnerability in Apache DataSketches C++. An application that deserializes a REQ sketch from an untrusted source can have heap memory corrupted by a crafted sketch, because the serialized compactor headers were not validated. This issue affects Apache DataSketches C++: from 3.0.0 through 5.3.0. Users are recommended to upgrade to version 5.3.1, which fixes the issue. | |
| Title | Apache DataSketches C++: Out-of-bounds write in REQ sketch deserialization allows memory corruption via a crafted sketch | |
| Weaknesses | CWE-787 | |
| References |
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Subscriptions
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Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-11-13T11:07:42.270Z
Reserved: 2026-11-05T18:41:24.720Z
Link: CVE-2026-123338
No data.
Status : Received
Published: 2026-11-13T11:17:16.273
Modified: 2026-11-13T11:17:16.273
Link: CVE-2026-123338
No data.
OpenCVE Enrichment
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