It was discovered that Net::DNS did not correctly validate the size of DNS replies. A remote attacker could send a specially crafted DNS response and cause applications using Net::DNS to abort, leading to a denial of service.
The problem can be corrected by updating your system to the following package versions:
26 March 2008
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that Net::DNS did not correctly validate the size of DNS replies. A remote attacker could send a specially crafted DNS response and cause applications using Net::DNS to abort, leading to 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.
Vulmon