FKIE_CVE-2026-94084

Vulnerability from fkie_nvd - Published: 2026-09-20 02:16 - Updated: 2026-09-22 19:44
Severity
9.4 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
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.
References
cve@mitre.orghttps://forum.suricata.io/t/suricata-8-0-7-released/6467
cve@mitre.orghttps://github.com/OISF/suricata/commit/1d66355dc8737bb2ae7a198115b3067e3ad49808
cve@mitre.orghttps://github.com/OISF/suricata/compare/suricata-8.0.6...suricata-8.0.7
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Suricata",
          "vendor": "OISF",
          "versions": [
            {
              "lessThan": "8.0.7",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    }
  ],
  "id": "CVE-2026-94084",
  "lastModified": "2026-09-22T19:44:01.280",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 9.4,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.5,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-94084",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-22T18:24:29.351972Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-20T02:16:53.717",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://forum.suricata.io/t/suricata-8-0-7-released/6467"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/OISF/suricata/commit/1d66355dc8737bb2ae7a198115b3067e3ad49808"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/OISF/suricata/compare/suricata-8.0.6...suricata-8.0.7"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Secondary"
    }
  ]
}



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