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=========================================================== Ubuntu Security Notice USN-796-1 July 06, 2009 pidgin vulnerability CVE-2009-1889 =========================================================== A security issue affects the following Ubuntu releases: 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 8.04 LTS: pidgin 1:2.4.1-1ubuntu2.5 Ubuntu 8.10: pidgin 1:2.5.2-0ubuntu1.3 Ubuntu 9.04: pidgin 1:2.5.5-1ubuntu8.3 After a standard system upgrade you need to restart Pidgin to effect the necessary changes. Details follow: Yuriy Kaminskiy discovered that Pidgin did not properly handle certain messages in the ICQ protocol handler. A remote attacker could send a specially crafted message and cause Pidgin to crash.