Skip to content
Heist/ feed
Back to feed
High

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-9429

In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-9429
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 07:32 UTC · Revision 1

Source evidence

CVE-2020-9429

core-osv · Original source

Published 27 Feb 2020, 23:15 UTC

In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.

osv:CVE-2020-9429
Complete source record
{
  "id": "ad950cbfd65e6807871291a65b8a9da73b0dfb0411b2f2b0f5bbc6509df1c59f",
  "url": "https://osv.dev/vulnerability/CVE-2020-9429",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-9429",
    "summary": "In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.",
    "evidence": "osv:CVE-2020-9429",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-9429",
      "aliases": [
        "CVE-2020-9429"
      ],
      "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": "e0ed4cfa3d72110257da54c26ad3a28d282ef454"
                },
                {
                  "last_affected": "bf38a67724d09be2f4032d979d8fc7d25f5a46ef"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.2.0"
                      },
                      {
                        "last_affected": "3.2.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "wireshark-3.2.1",
            "v3.2.1",
            "v3.2.1rc0",
            "wireshark-3.2.0",
            "v3.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-9429.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/wireshark/wireshark",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e0ed4cfa3d72110257da54c26ad3a28d282ef454"
                },
                {
                  "last_affected": "bf38a67724d09be2f4032d979d8fc7d25f5a46ef"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.2.0"
                      },
                      {
                        "last_affected": "3.2.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "wireshark-3.2.1",
            "v3.2.1",
            "v3.2.1rc0",
            "wireshark-3.2.0",
            "v3.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-9429.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:54.576589983Z",
      "provider": "osv",
      "references": [
        "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=73c5fff899f253c44a72657048aec7db6edee571",
        "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=a2530f740d67d41908e84434bb5ec99480c2ac2e",
        "https://security.gentoo.org/glsa/202007-13",
        "https://www.wireshark.org/security/wnpa-sec-2020-06.html",
        "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16394"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "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-2020-9429",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438226,
  "published_at": "2020-02-27T23:15:12.907+00:00"
}