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
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache DataSketches C++ | unaffected |
|
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Tracking
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Fri, 13 Nov 2026 10:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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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MITRE
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-11-13T10:32:43.404Z
Reserved: 2026-11-05T18:41:24.720Z
Link: CVE-2026-123338
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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