xdelta3 could be made to crash or run programs if it opened a specially crafted file.
It was discovered that xdelta3 incorrectly handled certain files. If a user or automated system were tricked into processing a specially-crafted file, a remote attacker could use this issue to cause xdelta3 to crash, resulting in a denial of service, or possibly execute arbitrary code.
17 February 2016
A security issue affects these releases of Ubuntu and its derivatives:
xdelta3 could be made to crash or run programs if it opened a specially crafted file.
It was discovered that xdelta3 incorrectly handled certain files. If a user or automated system were tricked into processing a specially-crafted file, a remote attacker could use this issue to cause xdelta3 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