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CVE-2026-123274

N/A CVSS: N/A Published: 2026-11-13 Modified: 2026-11-13

Description

Out-of-bounds Write vulnerability in Apache DataSketches C++. An application that deserializes a KLL sketch from an untrusted source can have heap memory corrupted by a crafted sketch, because the serialized level boundaries were not validated. This issue affects Apache DataSketches C++: 2.0.0 through 5.3.0. Users are recommended to upgrade to version 5.3.1, which fixes the issue.

Affected Platforms

Unknown

Weakness Type

CWE-787

References