security flaw
Multiple integer overflows in the 1 createwbmp and 2 readwbmp functions in wbmp.c in the GD library libgd in PHP 4.0.0 through 4.4.6 and 5.0.0 through 5.2.1 allow context-dependent attackers to execute arbitrary code via Wireless Bitmap WBMP images with large width or height values...