Ubuntu 14.04 USN-2214-1 Moderate: libxml2 Denial Of Service Risk

ubuntu

May 15, 2014

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

Summary

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

crafted file.

Software Description:

- libxml2: GNOME XML library

Details:

Daniel Berrange 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.

Topics Covered

security advisory denial of service ubuntu libxml2 resource consumption

Update Instructions

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

Ubuntu 14.04 LTS:
  libxml2                         2.9.1+dfsg1-3ubuntu4.1

Ubuntu 13.10:
  libxml2                         2.9.1+dfsg1-3ubuntu2.1

Ubuntu 12.10:
  libxml2                         2.8.0+dfsg1-5ubuntu2.5

Ubuntu 12.04 LTS:
  libxml2                         2.7.8.dfsg-5.1ubuntu4.7

Ubuntu 10.04 LTS:
  libxml2                         2.7.6.dfsg-1ubuntu1.11

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