The _bdf_parse_glyphs function in FreeType before 2.4.11 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to BDF fonts and an incorrect calculation that triggers an out-of-bounds read.
https://savannah.nongnu.org/bugs/?37906
http://www.ubuntu.com/usn/USN-1686-1
http://www.securitytracker.com/id?1027921
http://www.openwall.com/lists/oss-security/2012/12/25/2
http://www.freetype.org/
http://secunia.com/advisories/51900
http://secunia.com/advisories/51826
http://rhn.redhat.com/errata/RHSA-2013-0216.html
http://lists.opensuse.org/opensuse-updates/2013-01/msg00078.html
http://lists.opensuse.org/opensuse-updates/2013-01/msg00068.html
http://lists.opensuse.org/opensuse-updates/2013-01/msg00056.html