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Gentoo Linux Security Advisory                           GLSA 202006-16
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: PCRE2: Denial of service
     Date: June 15, 2020
     Bugs: #717800
       ID: 202006-16

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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
    -------------------------------------------------------------------
  1  net-libs/pcre2               < 10.34                    >= 10.34 

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
=========
[ 1 ] CVE-2019-20454
      https://nvd.nist.gov/vuln/detail/CVE-2019-20454

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202006-16

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 2020 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.

https://creativecommons.org/licenses/by-sa/2.5/

Gentoo: GLSA-202006-16: PCRE2: Denial of service

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

Summary

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

Resolution

All PCRE2 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/pcre2-10.34"

References


[ 1 ] CVE-2019-20454 https://nvd.nist.gov/vuln/detail/CVE-2019-20454

Availability

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

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.

Severity
Severity: Normal
Title: PCRE2: Denial of service
Date: June 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 ------------------------------------------------------------------- 1 net-libs/pcre2 < 10.34 >= 10.34

Impact

===== An attacker could cause a possible Denial of Service condition.

Workaround

There is no known workaround at this time.

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