GLSA 202006-16: PCRE2: Denial of service

Severity:normal
Title:PCRE2: Denial of service
Date:06/15/2020
Bugs: #717800
ID:202006-16

Synopsis

A vulnerability in PCRE2 could lead to a Denial of Service condition.

Background

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

Affected packages

Package Vulnerable Unaffected Architecture(s)
net-libs/pcre2 < 10.34 >= 10.34 All supported architectures

Description

PCRE2 has a flaw when handling JIT-compiled regex using the \X pattern.

Impact

An attacker could cause a possible Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All PCRE2 users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-libs/pcre2-10.34"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202006-16.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!