Imager (libimager-perl) before 0.50 allows user-assisted attackers to cause a denial of service (segmentation fault) by writing a 2- or 4-channel JPEG image (or a 2-channel TGA image) to a scalar, which triggers a NULL pointer dereference.
bugs.debian.org/cgi-bin/bugreport.cgi?bug=359661
rt.cpan.org/Public/Bug/Display.html?id=18397
secunia.com/advisories/19575
secunia.com/advisories/19577
www.debian.org/security/2006/dsa-1028
www.securityfocus.com/bid/17415
www.vupen.com/english/advisories/2006/1294
exchange.xforce.ibmcloud.com/vulnerabilities/25717