UNKNOWNCVSS not yet scoredVulnerability

CVE-2026-123338

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.

Properties

Last source
NVD
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Cve id
CVE-2026-123338
First seen by Signal
2026-11-13T17:31:47+00:00
Retrieved at
2026-11-14T00:50:05+00:00
Published at
2026-11-13T11:17:16.273
Last modified
2026-11-13T11:17:16.273

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Out-of-bounds Write

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CVE-2026-123338 — Ninja Signal Threat Intelligence | Ninja Signal