Security advisory

{
  "id": "c79faaca42da6ecf4b2e72dcfdf96d631b71552fa3342371cfec09197949bd4d",
  "url": "https://osv.dev/vulnerability/CVE-2020-24870",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-24870",
    "summary": "Libraw before 0.20.1 has a stack buffer overflow via LibRaw::identify_process_dng_fields in identify.cpp.",
    "evidence": "osv:CVE-2020-24870",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-24870",
      "aliases": [
        "CVE-2020-24870"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/libraw/libraw",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "95d5f1616d7df552fba853ea91ff1d6fc00feb6c"
                },
                {
                  "fixed": "4feaed4dea636cee4fee010f615881ccf76a096d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libraw:libraw:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.20.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "4feaed4dea636cee4fee010f615881ccf76a096d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.20.0",
            "0.20-RC2",
            "0.18.0",
            "0.17.0",
            "0.16.0",
            "0.15.0",
            "0.14.6",
            "0.14.5",
            "0.14.4",
            "0.14.3",
            "0.14.2",
            "0.14.1",
            "0.14.0",
            "0.13.6",
            "0.13.5",
            "0.13.4",
            "0.13.3",
            "0.13.2",
            "0.13.1",
            "0.13.0",
            "0.12.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-24870.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-24870-31872964",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                },
                "source": "https://github.com/libraw/libraw/commit/4feaed4dea636cee4fee010f615881ccf76a096d",
                "target": {
                  "file": "src/metadata/identify.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-24870-3f6d4e07",
                "digest": {
                  "length": 10660,
                  "function_hash": "94799694404746039246306392899922980268"
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                "source": "https://github.com/libraw/libraw/commit/4feaed4dea636cee4fee010f615881ccf76a096d",
                "target": {
                  "file": "src/metadata/identify.cpp",
                  "function": "LibRaw::identify_process_dng_fields"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
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            ],
            "vanir_signatures_modified": "2026-10-20T14:10:35Z"
          }
        }
      ],
      "modified": "2026-10-20T14:10:35.830849584Z",
      "provider": "osv",
      "references": [
        "https://github.com/LibRaw/LibRaw/issues/330",
        "https://security.gentoo.org/glsa/202208-07",
        "https://github.com/LibRaw/LibRaw/commit/4feaed4dea636cee4fee010f615881ccf76a096d"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-24870",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388628,
  "published_at": "2021-06-02T16:15:08.287+00:00"
}