Heap-buffer-overflow in DecodeBasicOcspResponse

{
  "id": "1e662d5f9730ec6f6a8767653ab9ecb72481a4ee08da86b7364fa9f97ea2b75b",
  "url": "https://osv.dev/vulnerability/OSV-2023-107",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Heap-buffer-overflow in DecodeBasicOcspResponse",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56308 ``` Crash type: Heap-buffer-overflow READ {*} Crash state: DecodeBasicOcspResponse OcspResponseDecode ocsp.c ```",
    "evidence": "osv:OSV-2023-107",
    "products": [
      {
        "name": {
          "value": "wolfssl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "v5.6.0-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.6.2-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.6.3-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "WCv5.2.1-PILOT",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.6.4-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.6.6-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.7.0-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "wolfEntropy1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.7.2-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.7.4-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.7.6-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.2.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.8.0-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.8.2-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.8.4-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "wolfEntropy2d",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.9.0-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.9.1-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "wolfEntropyv5.2.4-CHKIN",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.9.2-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v5.9.4-stable",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "wolfEntropyv7.0.0-CHKIN",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2023-107",
      "aliases": [
        "OSV-2023-107"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wolfssl/wolfssl",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b32036258d8efa6617b916f0c4be11a33e699b37"
                }
              ]
            }
          ],
          "package": {
            "name": "wolfssl",
            "purl": "pkg:generic/wolfssl",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "v5.6.0-stable",
            "v5.6.2-stable",
            "v5.6.3-stable",
            "WCv5.2.1-PILOT",
            "v5.6.4-stable",
            "v5.6.6-stable",
            "v5.7.0-stable",
            "wolfEntropy1",
            "v5.7.2-stable",
            "v5.7.4-stable",
            "v5.7.6-stable",
            "v5.2.1",
            "v5.8.0-stable",
            "v5.8.2-stable",
            "v5.8.4-stable",
            "wolfEntropy2d",
            "v5.9.0-stable",
            "v5.9.1-stable",
            "wolfEntropyv5.2.4-CHKIN",
            "v5.9.2-stable",
            "v5.9.4-stable",
            "wolfEntropyv7.0.0-CHKIN"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfssl/OSV-2023-107.yaml",
            "introduced_range": "69ceedbcff5a2ae0dab8fd6c8199c12ec7b45b79:b2a6203ec01fcc5d55ab37b3d0e85ab160e962d4"
          },
          "ecosystem_specific": {
            "severity": "MEDIUM"
          }
        }
      ],
      "modified": "2026-10-19T15:00:52.952983Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56308"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 375250,
  "published_at": "2023-02-25T13:00:07.390537+00:00"
}