Global-buffer-overflow in read_coding_unit

{
  "id": "911941ff0dc781c3e8c5a194ea61af57790df87456f3e5daa54ba8340d82623b",
  "url": "https://osv.dev/vulnerability/OSV-2021-594",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Global-buffer-overflow in read_coding_unit",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32791 ``` Crash type: Global-buffer-overflow READ 1 Crash state: read_coding_unit read_coding_quadtree read_coding_quadtree ```",
    "evidence": "osv:OSV-2021-594",
    "products": [
      {
        "name": {
          "value": "libheif",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "v1.10.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.11.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.12.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.13.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.14.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.14.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.14.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.15.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.15.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.15.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.16.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.16.1",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2021-594",
      "aliases": [
        "OSV-2021-594"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/strukturag/libheif.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "77549e1d2595d9ac3fa2e14ed28a3e8a800e07f7"
                },
                {
                  "fixed": "8bec5d258e1e6a1a9a6b04fd15716925cceadd17"
                },
                {
                  "fixed": "48efb63cdc9e0610d5db7303205c3489c7f937cd"
                }
              ]
            }
          ],
          "package": {
            "name": "libheif",
            "purl": "pkg:generic/libheif",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "v1.10.0",
            "v1.11.0",
            "v1.12.0",
            "v1.13.0",
            "v1.14.0",
            "v1.14.1",
            "v1.14.2",
            "v1.15.0",
            "v1.15.1",
            "v1.15.2",
            "v1.16.0",
            "v1.16.1"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libheif/OSV-2021-594.yaml"
          },
          "ecosystem_specific": {
            "severity": null
          }
        }
      ],
      "modified": "2026-10-20T17:25:34.362447692Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32791"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 389902,
  "published_at": "2021-04-03T00:00:33.651641+00:00"
}