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OpenAdvisories
High · 7.1 CVE-2024-23839 EUVD-2024-21280

Suricata http: heap use after free with http.request_header and http.response_header keywords

Published Feb 26, 2024 · Updated Feb 13, 2025 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
OISF suricata >= 7.0.0, < 7.0.3 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 suricata 1:7.0.3-1 —
Debian 13 suricata 1:7.0.3-1 —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 suricata No fix yet —
Ubuntu 26.04 LTS suricata No fix yet —
Ubuntu 25.10 suricata No fix yet —
Ubuntu 24.04 LTS suricata No fix yet —
Ubuntu 22.04 LTS suricata No fix yet —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 18.04 LTS suricata No fix yet —
Ubuntu 16.04 LTS suricata No fix yet —
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed suricata 8.0.0-1.1 openSUSE-SU-2025:15394-1

Advisories 1

References