USN-1782-1: libxml2 vulnerability

Publication date

28 March 2013

Overview

libxml2 could be made to hang if it received specially crafted input.


Packages

Details

It was discovered that libxml2 incorrectly handled XML entity expansion.
An attacker could use this flaw to cause libxml2 to consume large amounts
of resources, resulting in a denial of service.

It was discovered that libxml2 incorrectly handled XML entity expansion.
An attacker could use this flaw to cause libxml2 to consume large amounts
of resources, resulting in 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-2ubuntu1.12
12.10 quantal libxml2 –  2.8.0+dfsg1-5ubuntu2.2
12.04 precise libxml2 –  2.7.8.dfsg-5.1ubuntu4.4
11.10 oneiric libxml2 –  2.7.8.dfsg-4ubuntu0.6
10.04 lucid libxml2 –  2.7.6.dfsg-1ubuntu1.8

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.


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