CVE-2024-23839

    Dashboard / Vulnerabilities / CVE-2024-23839

    CVE-2024-23839

    Published: 26 Feb 2024Last Modified: 12 Aug 2026

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

    Details: 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.

    References: https://lists.fedoraproject.org/archives/list/[email protected]/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/, https://lists.fedoraproject.org/archives/list/[email protected]/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/, https://redmine.openinfosecfoundation.org/issues/6657, https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/23xxx/CVE-2024-23839.json, https://github.com/OISF/suricata/security/advisories/GHSA-qxj6-hr2p-mmc7, https://nvd.nist.gov/vuln/detail/CVE-2024-23839, https://github.com/OISF/suricata/commit/cd731fcaf42e5f7078c9be643bfa0cee2ad53e8f

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 21ec99aa76cc5406007ce12a4891f2eaedb02291
    Fixed -be68bbc4ab288ec84d2fe5e0737ace17ab74ef26

    Affected versions

    suricata-7.0.2
    suricata-7.0.1
    suricata-7.0.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2024-23839 | CVE-DB