USN-326-1: heartbeat vulnerability

Ubuntu Security Notice USN-326-1

27th July, 2006

heartbeat vulnerability

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

  • Ubuntu 6.06 LTS
  • Ubuntu 5.10
  • Ubuntu 5.04


Yan Rong Ge discovered that heartbeat did not set proper permissions
for an allocated shared memory segment. A local attacker could exploit
this to render the heartbeat service unavailable (Denial of

Update instructions

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

Ubuntu 6.06 LTS:
heartbeat 1.2.4-2ubuntu0.1
Ubuntu 5.10:
heartbeat 1.2.3-12ubuntu0.1
Ubuntu 5.04:
heartbeat 1.2.3-3ubuntu1.2

To update your system, please follow these instructions:

In general, a standard system upgrade is sufficient to effect the
necessary changes.