CVE-2024-23839 Suricata http: heap use after free with http.request_header and http.response_header keywords

What is CVE-2024-23839?

CVE-2024-23839 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 26 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword. The vulnerability has been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords.

Weakness: CWE-416

Which versions are affected by CVE-2024-23839?

It affects 2 products.

Products include Fedoraproject Fedora, Oisf Suricata.

How do I fix CVE-2024-23839?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2024-23839 being exploited?

There is no known exploitation of CVE-2024-23839 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2024-23839, GHSA-qxj6-hr2p-mmc7, UBUNTU-CVE-2024-23839.