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    CVE-2026-46352

    Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, Suricata's IP defragmentation code could deadlock when processing fragmented traffic containing an encapsulated tunnel protocol whose payload is itself fragmented. Version 8.0.5 contains a fix. No known workarounds are available.

    Published:Sep 16, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 16, 2026
    EPSS Score:0.0047
    CVSS Score:7.5

    Affected Products

    Vendor
    Oisf
    Product
    Suricata

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-833 Deadlock

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-25 Forced Deadlock

    Related CVEs

    CVE-2026-94084 (CVSS 9.4) — Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that …
    CVE-2026-94083 (CVSS 9.4) — Suricata before 8.0.7 has a DoH2 type confusion that can cause an invalid free, because cleanup code for the H…
    CVE-2026-71855 (CVSS 5.9) — Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring …
    CVE-2026-71418 (CVSS 7.5) — Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring …
    CVE-2026-57223 (CVSS 7) — Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring …
    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 …

    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