Stack-based buffer overflow in the read_1_3_textobject function in f_readold.c in Xfig 3.2.5b and earlier, and in the read_textobject function in read1_3.c in fig2dev in Transfig 3.2.5a and earlier, allows remote attackers to execute arbitrary code via a long string in a malformed .fig file that uses the 1.3 file format.  NOTE: some of these details are obtained from third party information.