LibYAML could be made to crash or run programs if it opened a specially crafted YAML document.
Ivan Fratric discovered that LibYAML incorrectly handled certain malformed YAML documents. An attacker could use this issue to cause LibYAML to crash, resulting in a denial of service, or possibly execute arbitrary code.
3 April 2014
A security issue affects these releases of Ubuntu and its derivatives:
LibYAML could be made to crash or run programs if it opened a specially crafted YAML document.
Ivan Fratric discovered that LibYAML incorrectly handled certain malformed YAML documents. An attacker could use this issue to cause LibYAML 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 applications using LibYAML to make all the necessary changes.
Vulmon