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=========================================================== Ubuntu Security Notice USN-440-1 March 21, 2007 mysql-dfsg-5.0 vulnerability CVE-2007-1420 =========================================================== A security issue affects the following Ubuntu releases: 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 6.06 LTS: mysql-server-5.0 5.0.22-0ubuntu6.06.3 Ubuntu 6.10: mysql-server-5.0 5.0.24a-9ubuntu0.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Stefan Streichbier and B. Mueller of SEC Consult discovered that MySQL subselect queries using "ORDER BY" could be made to crash the MySQL server. An attacker with access to a MySQL instance could cause an intermitant denial of service.