An issue was discovered in dec_patch_dictionary.cc in libjxl before 0.8.2. An integer underflow in patch decoding can lead to a denial of service, such as an infinite loop.Referenceshttps://github.com/libjxl/libjxl/releases/tag/v0.8.2https://github.com/libjxl/libjxl/pull/2551
