CVE-2024-23839 HIGH

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

Vendor Oisf
Product suricata
Weakness CWE-416
Published February 26, 2024
Last update February 13, 2025

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 26, 2024 CVE published
February 13, 2025 Record updated