Buffer overflow in Seladb Pcapplusplus
CVE-2026-13588
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.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (30.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Seladb Pcapplusplus — versions 25.05
Weakness classification (CWE)
References
- cna@vuldb.com (product)
- cna@vuldb.com (patch)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (exploit)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-13588?
- CVE-2026-13588 is a medium-severity vulnerability in Seladb Pcapplusplus, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.6/10. Published 2026-06-29.
- How severe is CVE-2026-13588?
- Medium severity. CVSS v3 base score is 5.6 out of 10.