OSV-2020-502 Heap-use-after-free in WelsDec::SetUnRef

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18644 Crash type: Heap-use-after-free WRITE 1 Crash state: WelsDec::SetUnRef WelsDec::WelsResetRefPic WelsFreeDynamicMemory...

openh264:decoder_fuzzer: Heap-use-after-free in WelsDec::SetUnRef

Project: https://github.com/cisco/openh264.git Detailed Report: https://oss-fuzz.com/testcase?key=5674612192444416 Project: openh264 Fuzzing Engine: libFuzzer Fuzz Target: decoderfuzzer Job Type: libfuzzerasanopenh264 Platform Id: linux Crash Type: Heap-use-after-free WRITE 1 Crash Address:...