Out-of-bounds Write Affecting pcre2-utf32 package, versions <0:10.40-5.el9_4.1


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.21% (11th percentile)

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  • Snyk IDSNYK-RHEL9-PCRE2UTF32-20973212
  • published15 Oct 2026
  • disclosed30 Sept 2026

Introduced: 30 Sep 2026

NewCVE-2026-103111  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:9 pcre2-utf32 to version 0:10.40-5.el9_4.1 or higher.
This issue was patched in RHSA-2026:82875.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre2-utf32 package and not the pcre2-utf32 package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.

CVSS Base Scores

version 3.1