GnuPG 1.4.6 and earlier and GPGME before 1.1.4, when run from the command line, does not visually distinguish signed and unsigned portions of OpenPGP messages with multiple components, which might allow remote attackers to forge the contents of a message without detection.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10496
https://issues.rpath.com/browse/RPL-1111
http://www.vupen.com/english/advisories/2007/0835
http://www.ubuntu.com/usn/usn-432-2
http://www.ubuntu.com/usn/usn-432-1
http://www.trustix.org/errata/2007/0009/
http://www.securitytracker.com/id?1017727
http://www.securityfocus.com/bid/22757
http://www.securityfocus.com/archive/1/461958/30/7710/threaded
http://www.securityfocus.com/archive/1/461958/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2007-0107.html
http://www.redhat.com/support/errata/RHSA-2007-0106.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:059
http://www.debian.org/security/2007/dsa-1266
http://www.coresecurity.com/?action=item&id=1687
http://support.avaya.com/elmodocs2/security/ASA-2007-144.htm
http://securityreason.com/securityalert/2353
http://secunia.com/advisories/24875
http://secunia.com/advisories/24734
http://secunia.com/advisories/24650
http://secunia.com/advisories/24544
http://secunia.com/advisories/24511
http://secunia.com/advisories/24489
http://secunia.com/advisories/24438
http://secunia.com/advisories/24420
http://secunia.com/advisories/24419
http://secunia.com/advisories/24407
http://secunia.com/advisories/24365
http://lists.suse.com/archive/suse-security-announce/2007-Mar/0008.html
http://lists.gnupg.org/pipermail/gnupg-users/2007-March/030514.html