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 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 v3 5.6 MEDIUM
CVSS v2.0 5.1 MEDIUM

5.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

5.1^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:H/Au:N/C:P/I:P/A:P

Exploitability : 4.9 / Impact : 6.4

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/seladb/PcapPlusPlus/
https://github.com/seladb/PcapPlusPlus/commit/98e671010bc7c87b95898c22ae289220ae92542b
https://github.com/seladb/PcapPlusPlus/issues/2152
https://github.com/seladb/PcapPlusPlus/pull/2161
https://github.com/user-attachments/files/28214571/poc.zip
https://vuldb.com/cve/CVE-2026-13589
https://vuldb.com/submit/844482
https://vuldb.com/vuln/374592
https://vuldb.com/vuln/374592/cti

Configurations

No configuration.

History

29 Jun 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-29 17:16

Updated : 2026-06-29 18:47

NVD link : CVE-2026-13589

Mitre link : CVE-2026-13589

CVE.ORG link : CVE-2026-13589

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-122

Heap-based Buffer Overflow

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