2531743 – (CVE-2026-89156) CVE-2026-89156 PCRE2: PCRE2: Out-of-bounds read via invalid UTF data during JIT fallback

Bug 2531743 (CVE-2026-89156) - CVE-2026-89156 PCRE2: PCRE2: Out-of-bounds read via invalid UTF data during JIT fallback

Summary: CVE-2026-89156 PCRE2: PCRE2: Out-of-bounds read via invalid UTF data during J...

Keywords:
Status:	NEW
Alias:	CVE-2026-89156
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	low
Severity:	low
Target Milestone:	---
Assignee:	Product Security DevOps Team
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:	2531802 2531803 2531805 2531806 2531807
Blocks:
TreeView+	depends on / blocked

Attachments	(Terms of Use)

Description OSIDB Bzimport 2026-09-11 04:21:17 UTC

PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.

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