It was discovered that certain gamma operations in lcms were not correctly bounds-checked. If a user or automated system were tricked into processing a malicious image, a remote attacker could crash applications linked against liblcms1, leading to a denial of service, or possibly execute arbitrary code with user privileges.
The problem can be corrected by updating your system to the following package versions:
17 December 2008
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that certain gamma operations in lcms were not correctly bounds-checked. If a user or automated system were tricked into processing a malicious image, a remote attacker could crash applications linked against liblcms1, leading to a denial of service, or possibly execute arbitrary code with user privileges.
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 upgrade is sufficient to effect the necessary changes.
Vulmon