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=========================================================== Ubuntu Security Notice USN-288-4 June 13, 2006 dovecot regression https://launchpad.net/bugs/49601 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS 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: dovecot-common 1.0.beta3-3ubuntu5.2 dovecot-imapd 1.0.beta3-3ubuntu5.2 dovecot-pop3d 1.0.beta3-3ubuntu5.2 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: USN-288-3 fixed a vulnerability in dovecot. Unfortunately the Ubuntu 6.06 update had a regression which caused authentication using a MySQL database to not work any more. This update fixes this again. We apologize for the inconvenience.