RHSA-2008:0146: Moderate: gd security update

The gd package contains a graphics library used for the dynamic creation ofimages such as PNG and JPEG.Multiple issues were discovered in the gd GIF image-handling code. Acarefully-crafted GIF file could cause a crash or possibly execute codewith the privileges of the application using the gd library.(CVE-2006-4484, CVE-2007-3475, CVE-2007-3476)An integer overflow was discovered in the gdImageCreateTrueColor()function, leading to incorrect memory allocations. A carefully craftedimage could cause a crash or possibly execute code with the privileges ofthe application using the gd library. (CVE-2007-3472)A buffer over-read flaw was discovered. This could cause a crash in anapplication using the gd library to render certain strings using aJIS-encoded font. (CVE-2007-0455)A flaw was discovered in the gd PNG image handling code. A truncated PNGimage could cause an infinite loop in an application using the gd library.(CVE-2007-2756)A flaw was discovered in the gd X BitMap (XBM) image-handling code. Amalformed or truncated XBM image could cause a crash in an applicationusing the gd library. (CVE-2007-3473)Users of gd should upgrade to these updated packages, which containbackported patches which resolve these issues.