Best Practical Solutions RT 3.x before 3.8.9rc2 and 4.x before 4.0.0rc4 uses the MD5 algorithm for password hashes, which makes it easier for context-dependent attackers to determine cleartext passwords via a brute-force attack on the database.
bugs.debian.org/cgi-bin/bugreport.cgi?bug=610850
lists.bestpractical.com/pipermail/rt-announce/2011-January/000185.html
lists.fedoraproject.org/pipermail/package-announce/2011-March/054740.html
osvdb.org/70661
secunia.com/advisories/43438
www.debian.org/security/2011/dsa-2150
www.securityfocus.com/bid/45959
www.vupen.com/english/advisories/2011/0190
www.vupen.com/english/advisories/2011/0475
www.vupen.com/english/advisories/2011/0576
bugzilla.redhat.com/show_bug.cgi?id=672250
lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E