Security advisory

{
  "id": "5199b4773342d1e304e4a2d14bc7576dee330391a6bc93b46dfae126211a88f7",
  "url": "https://osv.dev/vulnerability/CVE-2018-18225",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-18225",
    "summary": "In Wireshark 2.6.0 to 2.6.3, the CoAP dissector could crash. This was addressed in epan/dissectors/packet-coap.c by ensuring that the piv length is correctly computed.",
    "evidence": "osv:CVE-2018-18225",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-18225",
      "aliases": [
        "CVE-2018-18225"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wireshark/wireshark",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c7239f0201292253817c7c4c9a394a47113ca55c"
                },
                {
                  "last_affected": "a62e6c2719e5e230d9987cf2f21699eae7bdab8b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.6.0"
                      },
                      {
                        "last_affected": "2.6.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "wireshark-2.6.3",
            "v2.6.3",
            "v2.6.3rc0",
            "wireshark-2.6.2",
            "v2.6.2",
            "v2.6.2rc0",
            "wireshark-2.6.1",
            "v2.6.1",
            "v2.6.1rc0",
            "wireshark-2.6.0",
            "v2.6.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18225.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/wireshark/wireshark",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c7239f0201292253817c7c4c9a394a47113ca55c"
                },
                {
                  "last_affected": "a62e6c2719e5e230d9987cf2f21699eae7bdab8b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.6.0"
                      },
                      {
                        "last_affected": "2.6.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "wireshark-2.6.3",
            "v2.6.3",
            "v2.6.3rc0",
            "wireshark-2.6.2",
            "v2.6.2",
            "v2.6.2rc0",
            "wireshark-2.6.1",
            "v2.6.1",
            "v2.6.1rc0",
            "wireshark-2.6.0",
            "v2.6.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18225.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:53.125608913Z",
      "provider": "osv",
      "references": [
        "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b2bbd9fdf209911d94b23cc33f4daccbceb7fa8a",
        "https://www.debian.org/security/2018/dsa-4359",
        "https://www.wireshark.org/security/wnpa-sec-2018-49.html",
        "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15172"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:leap",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "15.1"
                  },
                  {
                    "last_affected": "15.1"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-18225",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437851,
  "published_at": "2018-10-12T06:29:00.83+00:00"
}