CVE-2024-38536 Suricata http/range: NULL-ptr deref when http.memcap is reached

High 7.5 Published Updated

Attackers can crash Suricata by triggering a null pointer dereference when the HTTP memory cap is reached, requiring an upgrade to fix.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2024-38536?

CVE-2024-38536 is a high-severity vulnerability in Oisf Suricata, published on 11 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. A memory allocation failure due to `http.memcap` being reached leads to a NULL-ptr reference leading to a crash. Upgrade to 7.0.6.

Weakness: CWE-476

Which versions are affected by CVE-2024-38536?

It affects 1 product.

Products include Oisf Suricata.

How do I fix CVE-2024-38536?

Upgrade to a fixed version.

Is CVE-2024-38536 being exploited?

There is no known exploitation of CVE-2024-38536 in the wild and no public exploit code.

All Oisf Suricata vulnerabilities

Sources

Also known as DEBIAN-CVE-2024-38536, GHSA-j32j-4w6g-94hh, UBUNTU-CVE-2024-38536.

Is CVE-2024-38536 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free