A Denial of Service vulnerability has been discovered in the SASL authentication library when using the DIGEST-MD5 plugin. By sending a specially crafted realm name, a malicious SASL server could exploit this to crash the application that uses SASL.
The problem can be corrected by updating your system to the following package versions:
24 April 2006
A security issue affects these releases of Ubuntu and its derivatives:
A Denial of Service vulnerability has been discovered in the SASL authentication library when using the DIGEST-MD5 plugin. By sending a specially crafted realm name, a malicious SASL server could exploit this to crash the application that uses SASL.
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.