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OpenAdvisories
Medium · 5.6 CVE-2026-13589 EUVD-2026-40150GHSA-x5wv-5f96-x49c

seladb PcapPlusPlus Telnet Subnegotiation Packet TelnetLayer.cpp getSubCommand heap-based overflow

Published Jun 29, 2026 · Updated Jun 29, 2026 · Assigned by VulDB

Description

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 to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is reported as difficult. The exploit is publicly available and might be used. The identifier of the patch is 98e671010bc7c87b95898c22ae289220ae92542b. It is recommended to apply a patch to fix this issue.

Affected products

VendorProductAffectedFixed
seladb PcapPlusPlus 25.05 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Tumbleweed pcapplusplus 26.07-1.1 openSUSE-SU-2026:11883-1
openSUSE Leap 16.0 pcapplusplus 26.07-bp160.1.1 openSUSE-SU-2026:22017-1

Advisories 2

References