1. Ubuntu Security Notices
  2. USN-2389-1

USN-2389-1: libxml2 vulnerability

Publication date

27 October 2014

Overview

libxml2 could be made to consume resources if it processed a specially crafted file.

Releases

Packages

Details

It was discovered that libxml2 would incorrectly perform entity
substitution even when requested not to. If a user or automated system were
tricked into opening a specially crafted document, an attacker could
possibly cause resource consumption, resulting in a denial of service.

It was discovered that libxml2 would incorrectly perform entity
substitution even when requested not to. If a user or automated system were
tricked into opening a specially crafted document, an attacker could
possibly cause resource consumption, 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
14.04 trusty libxml2 –  2.9.1+dfsg1-3ubuntu4.4
12.04 precise libxml2 –  2.7.8.dfsg-5.1ubuntu4.11
10.04 lucid libxml2 –  2.7.6.dfsg-1ubuntu1.15

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References

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