pcapplusplus:FuzzTarget: Bad-cast to pcpp::IDnsResource from invalid vptr in pcpp::DnsLayer::parseResources

Project: https://github.com/seladb/PcapPlusPlus.git Detailed Report: https://oss-fuzz.com/testcase?key=4695026405474304 Project: pcapplusplus Fuzzing Engine: libFuzzer Fuzz Target: FuzzTarget Job Type: libfuzzerubsanpcapplusplus Platform Id: linux Crash Type: Bad-cast Crash Address: 0x00000190260...

OSV-2020-1297 Heap-buffer-overflow in pcpp::DnsResource::getDataLength

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22102 Crash type: Heap-buffer-overflow READ 2 Crash state: pcpp::DnsResource::getDataLength pcpp::DnsResource::getSize pcpp::DnsLayer::parseResources...