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=========================================================== Ubuntu Security Notice USN-76-1 February 07, 2005 emacs21 vulnerability CAN-2005-0100 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 4.10 (Warty Warthog) The following packages are affected: emacs21-bin-common The problem can be corrected by upgrading the affected package to version 21.3+1-5ubuntu4.2. In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Max Vozeler discovered a format string vulnerability in the "movemail" utility of Emacs. By sending specially crafted packets, a malicious POP3 server could cause a buffer overflow, which could have been exploited to execute arbitrary code with the privileges of the user and the "mail" group (since "movemail" is installed as "setgid mail").