Multiple integer overflows in tiffread.c in CamlImages 2.2 might allow remote attackers to execute arbitrary code via TIFF images containing large width and height values that trigger heap-based buffer overflows.
http://www.securityfocus.com/bid/36713
http://www.debian.org/security/2009/dsa-1912
http://security.debian.org/pool/updates/main/c/camlimages/camlimages_2.20-8+etch3.diff.gz
http://security.debian.org/pool/updates/main/c/camlimages/camlimages_2.2.0-4+lenny3.diff.gz