imagemagick:encoder_label_fuzzer: Crash in InterpolatePixelChannel

Project: https://github.com/imagemagick/imagemagick.git Detailed Report: https://oss-fuzz.com/testcase?key=6158615441965056 Project: imagemagick Fuzzing Engine: honggfuzz Fuzz Target: encoderlabelfuzzer Job Type: honggfuzzasanimagemagick Platform Id: linux Crash Type: UNKNOWN READ Crash Address:...

imagemagick:encoder_label_fuzzer: Heap-buffer-overflow in InterpolatePixelChannel

Detailed Report: https://oss-fuzz.com/testcase?key=6537505778827264 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encoderlabelfuzzer Job Type: libfuzzerasanimagemagick Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x60a000005e34 Crash State:...

Integer overflow

In CatromWeights, MeshInterpolate, InterpolatePixelChannel, InterpolatePixelChannels, and InterpolatePixelInfo, which are all functions in /MagickCore/pixel.c, there were multiple unconstrained pixel offset calculations which were being used with the floor function. These calculations produced...