OSV-2020-2080 Heap-buffer-overflow in coap_opt_length

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26371 Crash type: Heap-buffer-overflow READ 1 Crash state: coapoptlength coappduparseopt coappduparse...

libcoap:pdu_parse_fuzzer: Heap-buffer-overflow in coap_opt_length

Project: https://github.com/obgm/libcoap.git Detailed Report: https://oss-fuzz.com/testcase?key=6033437829627904 Project: libcoap Fuzzing Engine: libFuzzer Fuzz Target: pduparsefuzzer Job Type: libfuzzerasanlibcoap Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address:...