{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "4.4.0"
              },
              {
                "fixed": "4.4.18"
              },
              {
                "introduced": "4.6.0"
              },
              {
                "fixed": "4.6.8"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "009a163470b581c7d3ee66d89c819cef1f9e50fe"
            },
            {
              "fixed": "b6c99a3f2a1aecf7926e7e64a94488b2bd071571"
            },
            {
              "introduced": "cdfb6721e77c19d43f4787f66e9d5f2525281a22"
            },
            {
              "fixed": "e677bf052328efc1ed897a547fa161836a0e4ff7"
            }
          ],
          "repo": "https://github.com/wireshark/wireshark",
          "type": "GIT"
        }
      ]
    },
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "4.4.0"
              },
              {
                "fixed": "4.4.18"
              },
              {
                "introduced": "4.6.0"
              },
              {
                "fixed": "4.6.8"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "009a163470b581c7d3ee66d89c819cef1f9e50fe"
            },
            {
              "fixed": "b6c99a3f2a1aecf7926e7e64a94488b2bd071571"
            },
            {
              "introduced": "cdfb6721e77c19d43f4787f66e9d5f2525281a22"
            },
            {
              "fixed": "e677bf052328efc1ed897a547fa161836a0e4ff7"
            }
          ],
          "repo": "https://gitlab.com/wireshark/wireshark",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "GitLab",
    "cwe_ids": [
      "CWE-122"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76886.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "4.6.0"
          },
          {
            "fixed": "4.6.8"
          },
          {
            "introduced": "4.4.0"
          },
          {
            "fixed": "4.4.18"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service",
  "id": "CVE-2026-76886",
  "modified": "2026-08-30T03:30:23.766337339Z",
  "published": "2026-08-19T22:35:24.922Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21439"
    },
    {
      "type": "WEB",
      "url": "https://www.wireshark.org/security/wnpa-sec-2026-75.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76886.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76886"
    },
    {
      "type": "EVIDENCE",
      "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21446"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Heap-based Buffer Overflow in Wireshark"
}