Security advisory

{
  "id": "f50c33dadfc41e03f2d6a0e1854863e69f1b10ab5417e67f3e3f8bee2926434f",
  "url": "https://osv.dev/vulnerability/CVE-2021-44335",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-44335",
    "summary": "David Brackeen ok-file-formats 203defd is vulnerable to Buffer Overflow. When the function of the ok-file-formats project is used, a heap-buffer-overflow occurs in function ok_png_transform_scanline() in \"/ok_png.c:533\".",
    "evidence": "osv:CVE-2021-44335",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-44335",
      "aliases": [
        "CVE-2021-44335"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/brackeen/ok-file-formats",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "203defd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "203defd"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44335.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:05.592945785Z",
      "provider": "osv",
      "references": [
        "https://github.com/brackeen/ok-file-formats/issues/17"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:ok-file-formats_project:ok-file-formats:2021-06-05:*:*:*:*:*:*:*"
            ],
            "vendor_product": "ok-file-formats_project:ok-file-formats",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2021-06-05"
                  },
                  {
                    "last_affected": "2021-06-05"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-44335",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386864,
  "published_at": "2022-03-03T00:15:08.157+00:00"
}