Heap-buffer-overflow in rawspeed::DngDecoder::decodeMetaDataInternal

{
  "id": "f65094d432a6bbb2fa3a905b20e7da54fb819192bb44edb07015c60850433aa9",
  "url": "https://osv.dev/vulnerability/OSV-2023-756",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Heap-buffer-overflow in rawspeed::DngDecoder::decodeMetaDataInternal",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61800 ``` Crash type: Heap-buffer-overflow READ 4 Crash state: rawspeed::DngDecoder::decodeMetaDataInternal rawspeed::RawDecoder::decodeMetaData ```",
    "evidence": "osv:OSV-2023-756",
    "products": [
      {
        "name": {
          "value": "librawspeed",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "v3.6",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2023-756",
      "aliases": [
        "OSV-2023-756"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/darktable-org/rawspeed.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "903158332b9e1fdb460a3f042ffc8207b70bcd54"
                },
                {
                  "fixed": "b79d3f2ab9df07be675d262474a70f59eae55a66"
                },
                {
                  "introduced": "92ce5bebe6d9a923d625cf618a58529b474e609e"
                }
              ]
            }
          ],
          "package": {
            "name": "librawspeed",
            "purl": "pkg:generic/librawspeed",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "v3.6"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/librawspeed/OSV-2023-756.yaml"
          },
          "ecosystem_specific": {
            "severity": "MEDIUM"
          }
        }
      ],
      "modified": "2026-10-20T17:25:46.138627800Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61800"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 389908,
  "published_at": "2023-08-28T14:02:10.741602+00:00"
}