Bad-cast to pcpp::Layer from invalid vptr

{
  "id": "7aa3a97d7a1ae43244326c84fcf9c69b8e784d1dee9b685d6b204e22c5a36d51",
  "url": "https://osv.dev/vulnerability/OSV-2020-2285",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Bad-cast to pcpp::Layer from invalid vptr",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28945 ``` Crash type: Bad-cast Crash state: Bad-cast to pcpp::Layer from invalid vptr pcpp::IDnsResource::getRawData pcpp::DnsResource::getDataLength ```",
    "evidence": "osv:OSV-2020-2285",
    "products": [
      {
        "name": {
          "value": "pcapplusplus",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "v21.05",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v21.11",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v22.05",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v22.11",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v23.09",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v24.09",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v25.05-beta",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v25.05",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v26.07-test",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v26.07",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2020-2285",
      "aliases": [
        "OSV-2020-2285"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/seladb/PcapPlusPlus",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d50eb9c0d7506cc3c9ff78efa1a792c04e8f6767"
                }
              ]
            }
          ],
          "package": {
            "name": "pcapplusplus",
            "purl": "pkg:generic/pcapplusplus",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "v21.05",
            "v21.11",
            "v22.05",
            "v22.11",
            "v23.09",
            "v24.09",
            "v25.05-beta",
            "v25.05",
            "v26.07-test",
            "v26.07"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/pcapplusplus/OSV-2020-2285.yaml"
          },
          "ecosystem_specific": {
            "severity": "HIGH",
            "introduced_range": "633fdfb78b85d795f4b437cdb5fbdc041ae2b622:54fcc6190efeeb54dc6d66c809ec7b7e7308eab8"
          }
        }
      ],
      "modified": "2026-10-19T14:17:24.306484Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28945"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 374776,
  "published_at": "2020-12-25T00:01:03.941509+00:00"
}