CVE-2026-13587

seladb PcapPlusPlus LightPcapNg light_pcapng.c parse_by_block_type heap-based overflow

LOW
3.7
CVSS Score
Published: June 29, 2026 at 04:00 PM UTC
Updated: October 25, 2026 at 09:10 PM UTC
1 product affected across 1 vendorPcapPlusPlus

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Severity
LOW3.7
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.7LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-119CWE-122

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