Arch Linux Security Advisory: ASA-201505-4 Medium Risk mariadb-clients DoS

Arch Linux Security Advisory ASA-201505-4
========================================
Severity: Medium
Date    : 2015-05-08
CVE-ID  : CVE-2014-8964
Package : mariadb-clients
Type    : denial of service
Remote  : Yes
Link    : https://wiki.archlinux.org/title/CVE

Summary
======
The package mariadb-clients before version 10.0.18-1 is vulnerable to
denial of service.

Resolution
=========
Upgrade to 10.0.18-1.

# pacman -Syu "mariadb-clients>=10.0.18-1"

The problems have been fixed upstream in version 10.0.18.

Workaround
=========
None.

Description
==========
A heap-based buffer overflow was found in the way PCRE handled certain
malformed regular expressions. This issue could cause a crash while
parsing malicious regular expressions related to an assertion that
allows zero repeats.

Impact
=====
A remote attacker is able to cause an application crash leading to
denial of service via malicious regular expressions.

References
=========
https://mariadb.com/docs/release-notes/community-server/old-releases/release-notes-mariadb-10-0-series/mariadb-10018-release-notes
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-8964