CVE-2026-13590
MediumCVSS 5.6Exploitation Probability (EPSS)
Low risk31th percentile — higher than 31% of all known CVEs
Summary
A security flaw in PcapPlusPlus 25.05 affects the pcpp::ModbusLayer::getLength function in ModbusLayer.h. Manipulating the length argument causes a heap-based buffer overflow, which can be exploited remotely.
Risk Assessment
An attacker can remotely crash the application or potentially execute arbitrary code, compromising system integrity and availability.
Recommendation
Apply the patch identified as 4c90c3e3418a2b09dc82b7ca5775e9c1e22fe454 immediately and update PcapPlusPlus to the latest version.
Original NVD description (English source)
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 can be launched remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. The exploit has been released to the public and may be used for attacks. The patch is identified as 4c90c3e3418a2b09dc82b7ca5775e9c1e22fe454. Applying a patch is advised to resolve this issue.