OSV-2024-957 Heap-buffer-overflow in pcpp::computeChecksum

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66025 Crash type: Heap-buffer-overflow READ 2 Crash state: pcpp::computeChecksum pcpp::computePseudoHdrChecksum pcpp::TcpLayer::calculateChecksum...