DjVuLibre could be made to crash or run programs as your login if it opened a specially crafted file.
It was discovered that DjVuLibre incorrectly handled certain memory operations. If a user or automated system were tricked into processing a specially crafted DjVu file, applications could be made to crash, resulting in a denial of service, or possibly execute arbitrary code.
16 December 2013
A security issue affects these releases of Ubuntu and its derivatives:
DjVuLibre could be made to crash or run programs as your login if it opened a specially crafted file.
It was discovered that DjVuLibre incorrectly handled certain memory operations. If a user or automated system were tricked into processing a specially crafted DjVu file, applications could be made to crash, resulting in a denial of service, or possibly execute arbitrary code.
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 your session to make all the necessary changes.
Vulmon