CVE-2026-13588

MEDIUM

seladb PcapPlusPlus TLS Hello SSLHandshake.cpp getHandshakeVersion heap-based overflow

Title source: cna
STIX 2.1

Description

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.

References (9)

Core 9
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-374591 | seladb PcapPlusPlus TLS Hello SSLHandshake.cpp getHandshakeVersion heap-based overflow
https://vuldb.com/vuln/374591
Signature, Permissions Required signature permissions-required
VDB-374591 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/374591/cti
Third Party Advisory third-party-advisory
CVE-2026-13588 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-13588
Third Party Advisory third-party-advisory
Submit #844481 | PcapPlusPlus v25.05 Heap-based Buffer Overflow
https://vuldb.com/submit/844481

Scores

CVSS v3 5.6
EPSS 0.0038
EPSS Percentile 30.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-119 CWE-122
Status published
Products (1)
seladb/PcapPlusPlus 25.05
Published Jun 29, 2026
Tracked Since Jun 29, 2026