Security advisory

{
  "id": "01744dd736dea3965e20954ab9f6cd196aa2386d14623d566c23e729fafc47e3",
  "url": "https://osv.dev/vulnerability/CVE-2019-5721",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-5721",
    "summary": "In Wireshark 2.4.0 to 2.4.11, the ENIP dissector could crash. This was addressed in epan/dissectors/packet-enip.c by changing the memory-management approach so that a use-after-free is avoided.",
    "evidence": "osv:CVE-2019-5721",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-5721",
      "aliases": [
        "CVE-2019-5721"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wireshark/wireshark",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9be0fa500da594ed01baf3214642838d22811c90"
                },
                {
                  "last_affected": "a6cc2066cf056baae5dbb3b354f2f1f9fd065f0e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.4.0"
                      },
                      {
                        "last_affected": "2.4.11"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "wireshark-2.4.11",
            "v2.4.11",
            "v2.4.11rc0",
            "wireshark-2.4.10",
            "v2.4.10",
            "v2.4.10rc0",
            "wireshark-2.4.9",
            "v2.4.9",
            "v2.4.9rc0",
            "wireshark-2.4.8",
            "v2.4.8",
            "v2.4.8rc0",
            "wireshark-2.4.7",
            "v2.4.7",
            "v2.4.7rc0",
            "wireshark-2.4.6",
            "v2.4.6",
            "v2.4.6rc0",
            "wireshark-2.4.5",
            "v2.4.5",
            "v2.4.5rc0",
            "wireshark-2.4.4",
            "v2.4.4",
            "v2.4.4rc0",
            "wireshark-2.4.3",
            "v2.4.3",
            "v2.4.3rc0",
            "wireshark-2.4.2",
            "v2.4.2",
            "v2.4.2rc0",
            "wireshark-2.4.1",
            "v2.4.1",
            "v2.4.1rc0",
            "wireshark-2.4.0",
            "v2.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5721.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/wireshark/wireshark",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9be0fa500da594ed01baf3214642838d22811c90"
                },
                {
                  "last_affected": "a6cc2066cf056baae5dbb3b354f2f1f9fd065f0e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.4.0"
                      },
                      {
                        "last_affected": "2.4.11"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "wireshark-2.4.11",
            "v2.4.11",
            "v2.4.11rc0",
            "wireshark-2.4.10",
            "v2.4.10",
            "v2.4.10rc0",
            "wireshark-2.4.9",
            "v2.4.9",
            "v2.4.9rc0",
            "wireshark-2.4.8",
            "v2.4.8",
            "v2.4.8rc0",
            "wireshark-2.4.7",
            "v2.4.7",
            "v2.4.7rc0",
            "wireshark-2.4.6",
            "v2.4.6",
            "v2.4.6rc0",
            "wireshark-2.4.5",
            "v2.4.5",
            "v2.4.5rc0",
            "wireshark-2.4.4",
            "v2.4.4",
            "v2.4.4rc0",
            "wireshark-2.4.3",
            "v2.4.3",
            "v2.4.3rc0",
            "wireshark-2.4.2",
            "v2.4.2",
            "v2.4.2rc0",
            "wireshark-2.4.1",
            "v2.4.1",
            "v2.4.1rc0",
            "wireshark-2.4.0",
            "v2.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5721.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:46.352097060Z",
      "provider": "osv",
      "references": [
        "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=1c66174ec7aa19e2ddc79178cf59f15a654fc4fe",
        "https://www.wireshark.org/security/wnpa-sec-2019-05.html",
        "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14470"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-5721",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436315,
  "published_at": "2019-01-08T23:29:00.577+00:00"
}