CVE-2026-89161 Affecting pcre2-utf32 package, versions <0:10.40-1.amzn2023.0.4


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.13% (2nd percentile)

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  • Snyk IDSNYK-AMZN2023-PCRE2UTF32-20245789
  • published29 Sept 2026
  • disclosed11 Sept 2026

Introduced: 11 Sep 2026

CVE-2026-89161  (opens in a new tab)
CWE-1341  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 pcre2-utf32 to version 0:10.40-1.amzn2023.0.4 or higher.
This issue was patched in ALAS2023-2026-3119.

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 Amazon-Linux. See How to fix? for Amazon-Linux:2023 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