UBUNTU-CVE-2025-29476

Buffer Overflow vulnerability in compresschunkfuzzer with oss-fuzz on commit 16450518afddcb3139de627157208e49bfef6987 in c-blosc2 v.2.17.0 and before...

c-blosc:compress_fuzzer: Use-of-uninitialized-value in blosc_run_decompression_with_context

Project: https://github.com/Blosc/c-blosc.git Detailed Report: https://oss-fuzz.com/testcase?key=5099361839742976 Project: c-blosc Fuzzing Engine: libFuzzer Fuzz Target: compressfuzzer Job Type: libfuzzermsanc-blosc Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash...

c-blosc:compress_fuzzer: Crash with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=5701419911479296 Project: c-blosc Fuzzing Engine: libFuzzer Fuzz Target: compressfuzzer Job Type: libfuzzerubsanc-blosc Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x000003bc7b40 Crash State: NULL Sanitizer: undefined UBSAN...

c-blosc:compress_fuzzer: Heap-buffer-overflow in blosclz_compress

Project: https://github.com/Blosc/c-blosc.git Detailed Report: https://oss-fuzz.com/testcase?key=6561596835495936 Project: c-blosc Fuzzing Engine: libFuzzer Fuzz Target: compressfuzzer Job Type: libfuzzerasanc-blosc Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address:...

c-blosc:compress_fuzzer: Heap-buffer-overflow in blosclz_compress

Project: https://github.com/Blosc/c-blosc.git Detailed Report: https://oss-fuzz.com/testcase?key=5869677174849536 Project: c-blosc Fuzzing Engine: libFuzzer Fuzz Target: compressfuzzer Job Type: libfuzzerasanc-blosc Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address:...