Expat could be made to crash or run programs as your login if it opened a specially crafted file.
It was discovered that Expat incorrectly handled malformed XML data. If a user or application linked against Expat were tricked into opening a crafted XML file, an attacker could cause a denial of service, or possibly execute arbitrary code.
31 August 2015
A security issue affects these releases of Ubuntu and its derivatives:
Expat could be made to crash or run programs as your login if it opened a specially crafted file.
It was discovered that Expat incorrectly handled malformed XML data. If a user or application linked against Expat were tricked into opening a crafted XML file, an attacker could cause 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 upgrade you need to restart any applications linked against Expat to effect the necessary changes.
Vulmon