Tielei Wang discovered that CamlImages, an open source image processing library, suffers from several integer overflows which may lead to a potentially exploitable heap overflow and result in arbitrary code execution. This advisory addresses issues with the reading of JPEG and GIF Images, while DSA 1832-1 addressed the issue with PNG images. For the oldstable distribution , this problem has been fixed in version 2.20-8+etch2. For the stable distribution , this problem has been fixed in version 1:2.2.0-4+lenny2. For the unstable distribution , this problem has been fixed in version 1:3.0.1-3. We recommend that you upgrade your camlimages package.