c-ares could be made to crash or run programs if it processed a specially crafted hostname.
Gzob Qq discovered that c-ares incorrectly handled certain hostnames. A remote attacker could use this issue to cause applications using c-ares to crash, resulting in a denial of service, or possibly execute arbitrary code.
30 November 2016
A security issue affects these releases of Ubuntu and its derivatives:
c-ares could be made to crash or run programs if it processed a specially crafted hostname.
Gzob Qq discovered that c-ares incorrectly handled certain hostnames. A remote attacker could use this issue to cause applications using c-ares 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