CVE-2026-13590 seladb PcapPlusPlus Modbus Protocol ModbusLayer.h getLength heap-based overflow

A security flaw has been discovered in seladb PcapPlusPlus 25.05. This impacts the function pcpp::ModbusLayer::getLength in the library Packet++/header/ModbusLayer.h of the component Modbus Protocol Handler. The manipulation of the argument length results in heap-based buffer overflow. The attack...