Buffer overflow in the GMIME_UUENCODE_LEN macro in gmime/gmime-encodings.h in GMime before 2.4.15 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via input data for a uuencode operation.
https://bugzilla.redhat.com/show_bug.cgi?id=561457
http://www.openwall.com/lists/oss-security/2010/02/03/4
http://www.openwall.com/lists/oss-security/2010/02/03/2
http://secunia.com/advisories/38915
http://secunia.com/advisories/38459
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
http://ftp.gnome.org/pub/GNOME/sources/gmime/2.4/gmime-2.4.15.changes
http://ftp.gnome.org/pub/GNOME/sources/gmime/2.4/gmime-2.4.14-2.4.15.diff.gz