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=========================================================== Ubuntu Security Notice USN-801-1 July 13, 2009 tiff vulnerability CVE-2009-2347 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libtiff4 3.7.4-1ubuntu3.6 Ubuntu 8.04 LTS: libtiff4 3.8.2-7ubuntu3.4 Ubuntu 8.10: libtiff4 3.8.2-11ubuntu0.8.10.3 Ubuntu 9.04: libtiff4 3.8.2-11ubuntu0.9.04.3 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Tielei Wang and Tom Lane 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, an attacker could execute arbitrary code with the privileges of the user invoking the program.