Ubuntu Security Notice USN-797-1
6th July, 2009
tiff vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.04
- Ubuntu 8.10
- Ubuntu 8.04 LTS
- Ubuntu 6.06 LTS
Software description
- tiff
Details
It was discovered that the TIFF library did not correctly handle certain
malformed TIFF images. If a user or automated system were tricked into
processing a malicious image, a remote attacker could cause an application
linked against libtiff to crash, leading to a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 9.04:
- libtiff4 3.8.2-11ubuntu0.9.04.1
- Ubuntu 8.10:
- libtiff4 3.8.2-11ubuntu0.8.10.1
- Ubuntu 8.04 LTS:
- libtiff4 3.8.2-7ubuntu3.2
- Ubuntu 6.06 LTS:
- libtiff4 3.7.4-1ubuntu3.4
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.