RPM could be made to crash or run programs if it opened a specially crafted package file.
It was discovered that RPM incorrectly handled certain package headers. If a user or automated system were tricked into installing a specially crafted RPM package, an attacker could cause RPM to crash, resulting in a denial of service, or possibly execute arbitrary code.
17 January 2013
A security issue affects these releases of Ubuntu and its derivatives:
RPM could be made to crash or run programs if it opened a specially crafted package file.
It was discovered that RPM incorrectly handled certain package headers. If a user or automated system were tricked into installing a specially crafted RPM package, an attacker could cause RPM 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.