Vulnerability Description
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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/seladb/PcapPlusPlus/
- https://github.com/seladb/PcapPlusPlus/commit/4c90c3e3418a2b09dc82b7ca5775e9c1e2
- https://github.com/seladb/PcapPlusPlus/issues/2155
- https://github.com/seladb/PcapPlusPlus/pull/2159
- https://github.com/user-attachments/files/28249048/poc.zip
- https://vuldb.com/cve/CVE-2026-13590
- https://vuldb.com/submit/844483
- https://vuldb.com/vuln/374593
- https://vuldb.com/vuln/374593/cti
- https://github.com/seladb/PcapPlusPlus/issues/2155
FAQ
What is CVE-2026-13590?
CVE-2026-13590 is a vulnerability with a CVSS score of 5.6 (MEDIUM). 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 H...
How severe is CVE-2026-13590?
CVE-2026-13590 has been rated MEDIUM with a CVSS base score of 5.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-13590?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.