OSV-2020-568 Heap-use-after-free in proc_plaintext

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13730 Crash type: Heap-use-after-free READ 4 Crash state: procplaintext doprocpackets procsignaturepackets...

gnupg/fuzz_verify: Heap-use-after-free in proc_plaintext

Project: git://git.gnupg.org/gnupg.git Detailed report: https://oss-fuzz.com/testcase?key=5697816893063168 Project: gnupg Fuzzer: libFuzzergnupgfuzzverify Fuzz target binary: fuzzverify Job Type: libfuzzerasangnupg Platform Id: linux Crash Type: Heap-use-after-free READ 4 Crash Address:...