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.
The problem can be corrected by updating your system to the following package versions:
5 January 2007
A security issue affects these releases of Ubuntu and its derivatives:
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.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the necessary changes.