Pillow: BMP RLE decoder memory-amplification DoS via unbounded delta escape / absolute mode

Summary BmpRleDecoder can be forced to allocate gigabytes of memory from a kilobyte-sized crafted BMP file via unbounded growth in the delta escape and absolute mode branches. Affected versions All versions up to and including current HEAD v13.0.0.dev0, commit e7a7ea84 Root cause...