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Known vulnerabilities in OISF suricata

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CVE Summary Score Published
CVE-2026-94084 Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that use… 9.4 Critical Sep 20, 2026
CVE-2026-94083 Suricata before 8.0.7 has a DoH2 type confusion that can cause an invalid free, because cleanup code for the HTTP2 state… 9.4 Critical Sep 20, 2026
CVE-2026-71855 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 5.9 Medium Sep 18, 2026
CVE-2026-71418 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High Sep 18, 2026
CVE-2026-57223 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.0 High Sep 18, 2026
CVE-2026-63446 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High Sep 18, 2026
CVE-2026-63447 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High Sep 18, 2026
CVE-2026-63448 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 5.9 Medium Sep 18, 2026
CVE-2026-57229 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 5.3 Medium Sep 18, 2026
CVE-2026-57225 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 3.3 Low Sep 18, 2026
CVE-2026-63452 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High Sep 18, 2026
CVE-2026-63451 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 3.3 Low Sep 18, 2026
CVE-2026-57227 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High Sep 18, 2026
CVE-2026-63450 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 3.7 Low Sep 18, 2026
CVE-2026-63449 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 3.7 Low Sep 18, 2026
CVE-2026-57228 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 8.2 High Sep 18, 2026
CVE-2026-57224 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 6.5 Medium Sep 18, 2026
CVE-2026-57226 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 3.7 Low Sep 18, 2026
CVE-2026-57222 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 5.3 Medium Sep 18, 2026
CVE-2026-46352 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High Sep 16, 2026
CVE-2026-45770 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High Sep 10, 2026
CVE-2026-45769 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High Sep 10, 2026
CVE-2026-45768 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High Sep 10, 2026
CVE-2026-45767 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 4.4 Medium Sep 10, 2026
CVE-2026-45766 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High Sep 10, 2026

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