Mandriva Linux Security Advisory – A function in the JasPer JPEG-2000 library before 1.900 could allow a remote user-assisted attack to cause a crash and possibly corrupt the heap via malformed image files. netpbm contains an embedded copy of libjasper and as such is vulnerable to this issue.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60705/MDKSA-2007-209.txt
Source: https://packetstormsecurity.com/files/60705/Mandriva-Linux-Security-Advisory-2007.209.html