USN-225-1: Apache 2 vulnerability

7 December 2005

apache2 vulnerability

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

  • Ubuntu 5.10
  • Ubuntu 5.04
  • Ubuntu 4.10

Software Description


A memory leak was found in the Apache 2 ‘worker’ module in the handling of aborted TCP connections. By repeatedly triggering this situation, a remote attacker could drain all available memory, which eventually led to a Denial of Service.

Update instructions

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

Ubuntu 5.10
Ubuntu 5.04
Ubuntu 4.10

To update your system, please follow these instructions: