Integer underflow in the input_bmp_reader function in input-bmp.c in AutoTrace 0.31.1 allows context-dependent attackers to have an unspecified impact via a small value in the biSize field in the header of a BMP file, which triggers a buffer overflow.
https://bugzilla.redhat.com/show_bug.cgi?id=951257
http://www.openwall.com/lists/oss-security/2013/04/16/3
http://www.mandriva.com/security/advisories?name=MDVSA-2013:190