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=========================================================== Ubuntu Security Notice USN-429-1 March 06, 2007 tcpdump vulnerability CVE-2007-1218 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.10 Ubuntu 6.06 LTS Ubuntu 6.10 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 5.10: tcpdump 3.9.1-1ubuntu1.1 Ubuntu 6.06 LTS: tcpdump 3.9.4-2ubuntu0.1 Ubuntu 6.10: tcpdump 3.9.4-4ubuntu0.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Moritz Jodeit discovered that tcpdump had an overflow in the 802.11 packet parser. Remote attackers could send specially crafted packets, crashing tcpdump, possibly leading to a denial of service.