CVE-2026-13588
MediumCVSS 5.6Summary
A heap-based buffer overflow vulnerability was found in PcapPlusPlus 25.05 in the function pcpp::SSLClientHelloMessage::getHandshakeVersion of SSLHandshake.cpp. An attacker can remotely manipulate the handshakeVersion argument, causing a buffer overflow. The attack complexity is high and exploitation is considered difficult, but the exploit has been publicly disclosed.
Risk Assessment
Successful exploitation could lead to remote code execution or application crash, threatening the integrity and availability of systems using the PcapPlusPlus library for TLS traffic handling.
Recommendation
Apply the patch identified as 98e671010bc7c87b95898c22ae289220ae92542b immediately. Upgrading to the latest version of the PcapPlusPlus library is the best practice to mitigate this vulnerability.
Original NVD description (English source)
A vulnerability was determined in seladb PcapPlusPlus 25.05. The impacted element is the function pcpp::SSLClientHelloMessage::getHandshakeVersion of the file Packet++/src/SSLHandshake.cpp of the component TLS Hello Handler. Executing a manipulation of the argument handshakeVersion can lead to heap-based buffer overflow. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitability is regarded as difficult. The exploit has been publicly disclosed and may be utilized. This patch is called 98e671010bc7c87b95898c22ae289220ae92542b. It is best practice to apply a patch to resolve this issue.