Buffer overflow in Seladb Pcapplusplus

CVE-2026-13589

A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads…

Vulnerability class: Buffer Overflow

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13589?
CVE-2026-13589 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-2026-13589?
Medium severity. CVSS v3 base score is 5.6 out of 10.