PCRE2: Multiple Vulnerabilities — GLSA 202611-06

Multiple vulnerabilities have been found in PCRE2, the worst of which could result in arbitrary code execution.

Affected packages

dev-libs/libpcre2 on all architectures
Affected versions < 10.49
Unaffected versions >= 10.49

Background

PCRE2 is a project based on PCRE (Perl Compatible Regular Expressions) which has a new and revised API.

Description

Multiple vulnerabilities have been discovered in PCRE2. Please review the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

Avoid exposing libpcre2 to attacker-controlled regex.

Resolution

All PCRE2 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-libs/libpcre2-10.49"
 

References

Release date
November 12, 2026

Latest revision
November 12, 2026: 1

Severity
high

Exploitable
remote

Bugzilla entries