osv-2025-865
Vulnerability from osv_ossfuzz
Published
2025-10-31 00:01
Modified
2025-11-05 14:31
Summary
Heap-buffer-overflow in generic_unpack
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=456158449

Crash type: Heap-buffer-overflow READ 4
Crash state:
generic_unpack
Imf_3_4::ScanLineInputFile::Data::readPixels
Imf_3_4::InputFile::readPixels
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "openexr",
        "purl": "pkg:generic/openexr"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "39b9d241cdcd4c95b7916992b8872d2620f9ac7a"
            },
            {
              "fixed": "fffdcf2f0759a88a39a7ca302477666853a6e961"
            },
            {
              "fixed": "3d53ed21cadb612e3b9828ccf116227e6a6ce21a"
            },
            {
              "introduced": "d948c6729c30cf15eaade9903ca0186d56a22d41"
            }
          ],
          "repo": "https://github.com/AcademySoftwareFoundation/openexr",
          "type": "GIT"
        }
      ],
      "versions": [
        "v3.3.4",
        "v3.3.4-rc",
        "v3.3.5",
        "v3.3.5-rc",
        "v3.3.5-rc3",
        "v3.4-alpha",
        "v3.4.0",
        "v3.4.0-rc",
        "v3.4.1",
        "v3.4.1-rc",
        "v3.4.1-rc2",
        "v3.4.2",
        "v3.4.2-rc",
        "v3.4.2-rc2",
        "v3.3.6-rc",
        "v3.3.6-rc2",
        "v3.3.6-rc3",
        "v3.3.6",
        "v3.3.6-rc4"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=456158449\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\ngeneric_unpack\nImf_3_4::ScanLineInputFile::Data::readPixels\nImf_3_4::InputFile::readPixels\n```\n",
  "id": "OSV-2025-865",
  "modified": "2025-11-05T14:31:24.646623Z",
  "published": "2025-10-31T00:01:02.631036Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=456158449"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "Heap-buffer-overflow in generic_unpack"
}


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