libproxy: User-assisted execution of arbitrary code
OptiPNG: User-assisted execution of arbitrary code
On November 5, Canonical published details about MySQL vulnerabilities for its Ubuntu 12.04 LTS, Ubuntu 11.10, and Ubuntu 10.04 LTS operating systems.
According to Canonical, libproxy could be made to crash or run programs, if it received specially crafted network traffic.
It was discovered that libproxy incorrectly handled certain PAC files.