CVE-2026-13587: 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 com...

Description

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.

Metrics

CVSS 3.1

3.7/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS 4.0

2.9/10

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

Vendor	Product	Versions
seladb	PcapPlusPlus	25.05

References

Timeline

Published: Jun 29, 2026
Last Modified: Jun 29, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-13587?

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.

How severe is CVE-2026-13587?

CVE-2026-13587 has a CVSS score of 3.7/10 (LOW severity).

How do I fix CVE-2026-13587?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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