libyaml-libyaml-perl could be made to crash or run programs if it opened a specially crafted YAML file.
Florian Weimer discovered that libyaml-libyaml-perl incorrectly handled certain large YAML documents. An attacker could use this issue to cause libyaml-libyaml-perl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2013-6393)
3 April 2014
A security issue affects these releases of Ubuntu and its derivatives:
libyaml-libyaml-perl could be made to crash or run programs if it opened a specially crafted YAML file.
Florian Weimer discovered that libyaml-libyaml-perl incorrectly handled certain large YAML documents. An attacker could use this issue to cause libyaml-libyaml-perl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2013-6393)
Ivan Fratric discovered that libyaml-libyaml-perl incorrectly handled certain malformed YAML documents. An attacker could use this issue to cause libyaml-libyaml-perl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-2525)
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-libyaml-perl to make all the necessary changes.
Vulmon