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

Low 3.3 Published Updated

An attacker can cause a buffer overflow and potential code execution by providing an oversized BPF filter file to Suricata at startup.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2024-55626?

CVE-2024-55626 is a low-severity memory corruption vulnerability in Oisf Suricata, published on 6 Jan 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-680

Which versions are affected by CVE-2024-55626?

It affects 1 product.

Products include Oisf Suricata.

How do I fix CVE-2024-55626?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-55626 being exploited?

There is no known exploitation of CVE-2024-55626 in the wild and no public exploit code.

All Oisf Suricata vulnerabilities

Sources

Also known as DEBIAN-CVE-2024-55626, GHSA-wmg4-jqx5-4h9v, UBUNTU-CVE-2024-55626.

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