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USN-402-1: Avahi vulnerability

5 January 2007

Avahi vulnerability

Releases

Details

A flaw was discovered in Avahi's handling of compressed DNS packets. If
a specially crafted reply were received over the network, the Avahi
daemon would go into an infinite loop, causing a denial of service.

Update instructions

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

Ubuntu 6.10
  • avahi-daemon - 0.6.13-2ubuntu2.4
Ubuntu 6.06
  • avahi-daemon - 0.6.10-0ubuntu3.4
Ubuntu 5.10
  • avahi-daemon - 0.5.2-1ubuntu1.4

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

References