USN-640-1: libxml2 vulnerability

Publication date

3 September 2008

Overview

libxml2 vulnerability


Packages

Details

Andreas Solberg discovered that libxml2 did not handle recursive entities
safely. If an application linked against libxml2 were made to process
a specially crafted XML document, a remote attacker could exhaust the
system's CPU resources, leading to a denial of service.

Andreas Solberg discovered that libxml2 did not handle recursive entities
safely. If an application linked against libxml2 were made to process
a specially crafted XML document, a remote attacker could exhaust the
system's CPU resources, leading to a denial of service.

Update instructions

In general, a standard system upgrade is sufficient to effect 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-2ubuntu1.1
7.10 gutsy libxml2 –  2.6.30.dfsg-2ubuntu1.2
7.04 feisty libxml2 –  2.6.27.dfsg-1ubuntu3.2
6.06 dapper libxml2 –  2.6.24.dfsg-1ubuntu1.2

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