The mutt mail client could be made to crash if it opened a specially crafted email.
Jakub Wilk discovered that the write_one_header function in mutt did not properly handle newline characters at the beginning of a header. An attacker could specially craft an email to cause mutt to crash, resulting in a denial of service.
11 December 2014
A security issue affects these releases of Ubuntu and its derivatives:
The mutt mail client could be made to crash if it opened a specially crafted email.
Jakub Wilk discovered that the write_one_header function in mutt did not properly handle newline characters at the beginning of a header. An attacker could specially craft an email to cause mutt to crash, resulting in 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.
After a standard system update you need to restart any running instances of mutt to make all the necessary changes.
Vulmon