What’s Vulnerable › Vulnerabilities

CVE-2024-55626: Suricata oversized bpf file can lead to buffer overflow

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-06 · updated 2026-06-17
• Weakness: CWE-680

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a large BPF filter file provided to Suricata at startup can lead to a buffer overflow at Suricata startup. The issue has been addressed in Suricata 7.0.8.

Affected products

• OISF suricata: before 7.0.8 — fixed in 7.0.8

How to fix

Upgrade to a fixed version: OISF suricata 7.0.8. Check the vendor advisory for mitigations.

References

• https://github.com/OISF/suricata/commit/dd71ef0af222a566e54dfc479dd1951dd17d7ceb
• https://github.com/OISF/suricata/security/advisories/GHSA-wmg4-jqx5-4h9v
• https://redmine.openinfosecfoundation.org/issues/7366
• https://lists.debian.org/debian-lts-announce/2025/03/msg00029.html

Get alerted when CVE-2024-55626 or the next vulnerability affects your stack