Stack consumption vulnerability in u_bound.c in Xfig 3.2.5b and earlier allows remote attackers to cause a denial of service (application crash) via a long string in a malformed .fig file that uses the 1.3 file format, possibly related to the readfp_fig function in f_read.c.
https://bugzilla.redhat.com/show_bug.cgi?id=543905
http://www.vupen.com/english/advisories/2011/0108
http://www.mandriva.com/security/advisories?name=MDVSA-2011:010