Security advisory

{
  "id": "3a6fd818e890da7a70ee32d7df59e3ae42cd8f33493e51cb66999c3cd9f2ab64",
  "url": "https://osv.dev/vulnerability/CVE-2026-94084",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-94084",
    "summary": "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.",
    "evidence": "osv:CVE-2026-94084",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-94084",
      "aliases": [
        "CVE-2026-94084"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/oisf/suricata",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "d681600f3648030a67f7d618d30742bfd5fe7169"
                },
                {
                  "fixed": "1d66355dc8737bb2ae7a198115b3067e3ad49808"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "8.0.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "1d66355dc8737bb2ae7a198115b3067e3ad49808"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "suricata-8.0.6",
            "suricata-8.0.5",
            "suricata-8.0.4",
            "suricata-8.0.3",
            "suricata-8.0.2",
            "suricata-8.0.1",
            "suricata-8.0.0",
            "suricata-8.0.0-rc1",
            "suricata-8.0.0-beta1",
            "suricata-7.0.2",
            "suricata-7.0.1",
            "suricata-7.0.0",
            "suricata-7.0.0-rc2",
            "suricata-7.0.0-rc1",
            "suricata-7.0.0-beta1",
            "suricata-6.0.1",
            "suricata-6.0.0",
            "suricata-6.0.0-rc1",
            "suricata-6.0.0-beta1",
            "suricata-5.0.1",
            "suricata-5.0.0",
            "suricata-5.0.0-rc1",
            "suricata-5.0.0-beta1",
            "suricata-4.1.2",
            "suricata-4.1.1",
            "suricata-4.1.0",
            "suricata-4.1.0-rc2",
            "suricata-4.1.0-rc1",
            "suricata-4.1.0-beta1",
            "suricata-4.0.1",
            "suricata-4.0.0",
            "suricata-4.0.0-rc2",
            "suricata-4.0.0-rc1",
            "suricata-4.0.0-beta1",
            "suricata-3.2.1",
            "suricata-3.2",
            "suricata-3.2RC1",
            "suricata-3.2beta1",
            "suricata-3.1.2",
            "suricata-3.1.1",
            "suricata-3.1",
            "suricata-3.0.1",
            "suricata-3.1RC1",
            "suricata-3.0.1RC1",
            "suricata-3.0",
            "suricata-3.0RC3",
            "suricata-3.0RC2",
            "suricata-3.0RC1",
            "suricata-2.1beta4",
            "suricata-2.1beta3",
            "suricata-2.1beta2",
            "suricata-2.1beta1",
            "suricata-2.0.2",
            "suricata-2.0.1",
            "suricata-2.0.1rc1",
            "suricata-2.0",
            "suricata-2.0rc3",
            "suricata-2.0rc2",
            "suricata-2.0rc1",
            "suricata-2.0beta2",
            "suricata-2.0beta1",
            "suricata-1.4",
            "suricata-1.4rc1",
            "suricata-1.4beta3",
            "suricata-1.4beta2",
            "suricata-1.4beta1",
            "suricata-1.3.1",
            "suricata-1.3",
            "suricata-1.3rc1",
            "suricata-1.3beta2",
            "suricata-1.3beta1",
            "suricata-1.2.1",
            "suricata-1.2",
            "suricata-1.2rc1",
            "suricata-1.2beta1",
            "suricata-1.1",
            "suricata-1.1rc1",
            "suricata-1.1beta3",
            "suricata-1.1beta2",
            "suricata-1.1beta1",
            "suricata-1.0.2",
            "suricata-1.0.1",
            "suricata-1.0.0",
            "suricata-0.8.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-94084.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.943364001Z",
      "provider": "osv",
      "references": [
        "https://forum.suricata.io/t/suricata-8-0-7-released/6467",
        "https://github.com/OISF/suricata/compare/suricata-8.0.6...suricata-8.0.7",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94084.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-94084",
        "https://github.com/OISF/suricata/commit/1d66355dc8737bb2ae7a198115b3067e3ad49808"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-416"
        ],
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94084.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-94084",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 506050,
  "published_at": "2026-09-20T01:20:20.503+00:00"
}