1. Ubuntu Security Notices
  2. USN-1376-1

USN-1376-1: libxml2 vulnerability

Publication date

27 February 2012

Overview

libxml2 could be made to cause a denial of service by consuming excessive CPU resources.

Releases

Packages

Details

Juraj Somorovsky discovered that libxml2 was vulnerable to hash table
collisions. If a user or application linked against libxml2 were tricked
into opening a specially crafted XML file, an attacker could cause a
denial of service.

Juraj Somorovsky discovered that libxml2 was vulnerable to hash table
collisions. If a user or application linked against libxml2 were tricked
into opening a specially crafted XML file, an attacker could cause a
denial of service.

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
8.04 hardy libxml2 –  2.6.31.dfsg-2ubuntu1.8
11.10 oneiric libxml2 –  2.7.8.dfsg-4ubuntu0.2
11.04 natty libxml2 –  2.7.8.dfsg-2ubuntu0.3
10.10 maverick libxml2 –  2.7.7.dfsg-4ubuntu0.4
10.04 lucid libxml2 –  2.7.6.dfsg-1ubuntu1.4

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›