GPGME could be made to crash or run programs as your login if it processed a specially crafted certificate.
Tomáš Trnka discovered that GPGME incorrectly handled certain certificate line lengths. An attacker could use this issue to cause applications using GPGME to crash, resulting in a denial of service, or possibly execute arbitrary code.
6 August 2014
A security issue affects these releases of Ubuntu and its derivatives:
GPGME could be made to crash or run programs as your login if it processed a specially crafted certificate.
Tomáš Trnka discovered that GPGME incorrectly handled certain certificate line lengths. An attacker could use this issue to cause applications using GPGME 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.
In general, a standard system update will make all the necessary changes.
Vulmon