CVE-2026-13589
seladb PcapPlusPlus Telnet Subnegotiation Packet TelnetLayer.cpp getSubCommand heap-based overflow
Vexday Risk Score
33Atenção
Decisão SSVC (CISA)
Attend
PoC disponível → acompanhar de perto
CVSS 6.3EPSS 0.6%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Ciclo de vida
29 jun 2026Publicada no NVD
Recomendação: Planejar correção próxima — já existe PoC pública.
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.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Produtos afetados
seladb · PcapPlusPlusPoCs públicas encontradas — 1
cve_referencegithub.com/user-attachments/files/28214571/poc.zipnão verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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Falar com a TrueHacking →Referências
https://github.com/seladb/PcapPlusPlus/https://github.com/seladb/PcapPlusPlus/commit/98e671010bc7c87b95898c22ae289220ae92542bhttps://github.com/seladb/PcapPlusPlus/issues/2152https://github.com/seladb/PcapPlusPlus/pull/2161https://github.com/user-attachments/files/28214571/poc.ziphttps://vuldb.com/cve/CVE-2026-13589https://vuldb.com/submit/844482https://vuldb.com/vuln/374592https://vuldb.com/vuln/374592/cti