CVE-2026-13587
seladb PcapPlusPlus LightPcapNg light_pcapng.c parse_by_block_type heap-based overflow
CVSS Score
3.7
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability was found in seladb PcapPlusPlus 25.05. The affected element is the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. Performing a manipulation of the argument captured_packet_length results in heap-based buffer overflow. It is possible to initiate the attack remotely. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used.
| CWE | CWE-122 CWE-119 |
| Vendor | seladb |
| Product | pcapplusplus |
| Published | Jun 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
seladb / PcapPlusPlus
25.05
References
vuldb.com: https://vuldb.com/vuln/374590 vuldb.com: https://vuldb.com/vuln/374590/cti vuldb.com: https://vuldb.com/cve/CVE-2026-13587 vuldb.com: https://vuldb.com/submit/844479 github.com: https://github.com/seladb/PcapPlusPlus/issues/2149 github.com: https://github.com/user-attachments/files/28207967/poc.zip github.com: https://github.com/seladb/PcapPlusPlus/
Credits
🔍 TYGLS (VulDB User)