Free of Memory not on the Heap Affecting pcre2-syntax package, versions <0:10.40-7.el9_8


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.13% (2nd percentile)

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  • Snyk IDSNYK-ROCKY9-PCRE2SYNTAX-20949515
  • published15 Oct 2026
  • disclosed11 Sept 2026

Introduced: 11 Sep 2026

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

How to fix?

Upgrade Rocky-Linux:9 pcre2-syntax to version 0:10.40-7.el9_8 or higher.
This issue was patched in RLSA-2026:81532.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre2-syntax package and not the pcre2-syntax package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 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