OSV-2023-1033 Heap-buffer-overflow in Gfx::InputStreamer::read_u32

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63357 Crash type: Heap-buffer-overflow READ 1 Crash state: Gfx::InputStreamer::readu32 Gfx::setdibbitmasks Gfx::decodebmpdib...