Elixir 0.8.0 uses Blowfish in CFB mode without constructing a unique initialization vector (IV), which makes it easier for context-dependent users to obtain sensitive information and decrypt the database.
https://bugzilla.redhat.com/show_bug.cgi?id=810013
http://www.openwall.com/lists/oss-security/2012/04/29/1
http://www.openwall.com/lists/oss-security/2012/04/28/2
http://www.openwall.com/lists/oss-security/2012/04/27/8
http://groups.google.com/group/sqlelixir/browse_thread/thread/efc16227514cffa?pli=1