ANT-2026-YMN2QG55 · libjxl · Heap-buffer-overflow

heap-buffer-overflow critical Severity Claude critical · Security research firm critical · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-YMN2QG55: Heap-buffer-overflow in libjxl...

libjxl:djxl_fuzzer: Use-of-uninitialized-value in jxl::ModularFrameDecoder::DecodeAcMetadata

Project: https://github.com/libjxl/libjxl.git Detailed Report: https://oss-fuzz.com/testcase?key=4883353550585856 Project: libjxl Fuzzing Engine: libFuzzer Fuzz Target: djxlfuzzer Job Type: libfuzzermsanlibjxl Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State:...