CVE-2026-15171

{
  "id": "CVE-2026-15171",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-08T21:16:47.990",
  "lastModified": "2026-10-25T17:10:00.197",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SSH protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service"
    },
    {
      "lang": "es",
      "value": "El bloqueo del disector del protocolo SSH en Wireshark 4.6.0 a 4.6.6 y 4.4.0 a 4.4.16 permite la denegación de servicio"
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Wireshark Foundation",
          "product": "Wireshark",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4.6.0",
              "lessThan": "4.6.7",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "4.4.0",
              "lessThan": "4.4.17",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-09T13:44:51.561918Z",
          "id": "CVE-2026-15171",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.4.0",
              "versionEndExcluding": "4.4.17",
              "matchCriteriaId": "B9FABA5D-7249-44A2-BF12-18AFBCA61C17"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.6.0",
              "versionEndExcluding": "4.6.7",
              "matchCriteriaId": "D7FEEC76-5F0F-4206-830C-4DF78953646B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21378",
      "source": "[email protected]",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.wireshark.org/security/wnpa-sec-2026-55.html",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21378",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    }
  ]
}