Exiv2 0.16 allows user-assisted remote attackers to cause a denial of service (divide-by-zero and application crash) via a zero value in Nikon lens information in the metadata of an image, related to "pretty printing" and the RationalValue::toLong function.
https://exchange.xforce.ibmcloud.com/vulnerabilities/42885
http://www.vupen.com/english/advisories/2008/1766/references
http://www.ubuntu.com/usn/usn-655-1
http://www.securityfocus.com/bid/29586
http://www.mandriva.com/security/advisories?name=MDVSA-2008:119
http://www.exiv2.org/changelog.html
http://secunia.com/advisories/32273
http://secunia.com/advisories/30519
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00012.html