SSL_Cipher.cpp in EncFS before 1.7.0 does not properly handle integer data sizes when constructing headers intended for randomization of initialization vectors, which makes it easier for local users to obtain sensitive information by defeating cryptographic protection mechanisms.
https://bugzilla.redhat.com/show_bug.cgi?id=630460
http://www.vupen.com/english/advisories/2010/2414
http://www.openwall.com/lists/oss-security/2010/09/07/8
http://www.openwall.com/lists/oss-security/2010/09/06/1
http://www.openwall.com/lists/oss-security/2010/09/05/3
http://secunia.com/advisories/41478
http://secunia.com/advisories/41158
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047825.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047798.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047794.html
http://code.google.com/p/encfs/source/detail?r=59
http://archives.neohapsis.com/archives/fulldisclosure/2010-08/0316.html