Ubuntu Update for libav USN-1209-2

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1209-2
Solution
Please Install the Updated Packages.
Insight
It was discovered that Libav incorrectly handled certain malformed ogg files. If a user were tricked into opening a crafted ogg file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2011-1196) It was discovered that Libav incorrectly handled certain malformed AMV files. If a user were tricked into opening a crafted AMV file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2011-1931) Emmanouel Kellinis discovered that Libav incorrectly handled certain malformed CAVS files. If a user were tricked into opening a crafted CAVS file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2011-3362)
Affected
libav on Ubuntu 11.04
References