UNKNOWN READ in __libcpp_memchr

{
  "id": "71be9d0f7bd4316744d47e2147764b03544fc1ae8b15f448aacca2b749134dc5",
  "url": "https://osv.dev/vulnerability/OSV-2020-1807",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UNKNOWN READ in __libcpp_memchr",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25711 ``` Crash type: UNKNOWN READ Crash state: __libcpp_memchr memchr pcpp::cross_platform_memmem ```",
    "evidence": "osv:OSV-2020-1807",
    "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-2020-1807",
      "aliases": [
        "OSV-2020-1807"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/seladb/PcapPlusPlus",
              "type": "GIT",
              "events": [
                {
                  "introduced": "fbc52d37c6a7e8cc75e4950d2621cbd907c6cf8a"
                }
              ]
            }
          ],
          "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-2020-1807.yaml"
          },
          "ecosystem_specific": {
            "severity": "MEDIUM"
          }
        }
      ],
      "modified": "2026-10-19T14:17:25.210662Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25711"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 374779,
  "published_at": "2020-09-18T00:00:38.027965+00:00"
}