USN-1022-1: APR-util vulnerability

25 November 2010

apr-util vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 10.10
  • Ubuntu 10.04 LTS
  • Ubuntu 9.10
  • Ubuntu 8.04 LTS


Software Description

  • apr-util


It was discovered that APR-util did not properly handle memory when destroying APR buckets. An attacker could exploit this and cause a denial of service via memory exhaustion.

Update instructions

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

Ubuntu 10.10
libaprutil1 - 1.3.9+dfsg-3ubuntu0.10.10.1
Ubuntu 10.04 LTS
libaprutil1 - 1.3.9+dfsg-3ubuntu0.10.04.1
Ubuntu 9.10
libaprutil1 - 1.3.9+dfsg-1ubuntu1.1
Ubuntu 8.04 LTS
libaprutil1 - 1.2.12+dfsg-3ubuntu0.3

To update your system, please follow these instructions:

After a standard system update you need to restart any applications using APR-util, such as Subversion and Apache, to make all the necessary changes.