2531747 – (CVE-2026-89161) CVE-2026-89161 pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match

Bug 2531747 (CVE-2026-89161) - CVE-2026-89161 pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match

Summary: CVE-2026-89161 pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match

Keywords:
Status:	NEW
Alias:	CVE-2026-89161
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	high
Severity:	high
Target Milestone:	---
Assignee:	Product Security DevOps Team
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:	2531882 2531883 2531884 2531885 2531886
Blocks:
TreeView+	depends on / blocked

Attachments	(Terms of Use)

Description OSIDB Bzimport 2026-09-11 04:21:31 UTC

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.

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