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    CVE-2026-94084

    Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that use http.response_header with and without a transform.

    Published:Sep 20, 2026
    Last Modified:Sep 22, 2026
    EPS:Sep 20, 2026
    EPSS Score:0.00402
    CVSS Score:9.4

    Affected Products

    Vendor
    Oisf
    Product
    Suricata

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-63446 (CVSS 7.5) — Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring …
    CVE-2026-63447 (CVSS 7.5) — Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring …
    CVE-2026-63448 (CVSS 5.9) — Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring …
    CVE-2026-57229 (CVSS 5.3) — Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring …
    CVE-2026-57225 (CVSS 3.3) — Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring …
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    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