Free of Memory not on the Heap Affecting pcre2 package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.13% (2nd percentile)

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  • Snyk IDSNYK-UBUNTU2404-PCRE2-19785455
  • published25 Sept 2026
  • disclosed11 Sept 2026

Introduced: 11 Sep 2026

NewCVE-2026-89161  (opens in a new tab)
CWE-590  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:24.04 pcre2.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre2 package and not the pcre2 package as distributed by Ubuntu. See How to fix? for Ubuntu:24.04 relevant fixed versions and status.

In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.

CVSS Base Scores

version 3.1