ghsa-p7r5-qh99-qchm
Vulnerability from github
Published
2025-10-06 09:30
Modified
2025-10-19 15:30
Severity ?
6.9 (Medium) - CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Details

When decoding an OpenEXR file that uses DWAA or DWAB compression, the specified raw length of run-length-encoded data is not checked when using it to calculate the output data.

We read rle_raw_size from the input file at [0], we decompress and decode into the buffer td->rle_raw_data of size rle_raw_size at [1], and then at [2] we will access entries in this buffer up to (td->xsize - 1) * (td->ysize - 1) + rle_raw_size / 2, which may exceed rle_raw_size.

We recommend upgrading to version 8.0 or beyond.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-59731"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-06T08:15:34Z",
    "severity": "MODERATE"
  },
  "details": "When decoding an OpenEXR file that uses DWAA or DWAB compression, the specified raw length of run-length-encoded data is not checked when using it to calculate the output data.\n\nWe read rle_raw_size\u00a0from the input file at [0], we decompress and decode into the buffer td-\u003erle_raw_data\u00a0of size rle_raw_size\u00a0at [1], and then at [2] we will access entries in this buffer up to (td-\u003exsize - 1) * (td-\u003eysize - 1) + rle_raw_size / 2, which may exceed rle_raw_size.\n\n\n\n\nWe recommend upgrading to version 8.0 or beyond.",
  "id": "GHSA-p7r5-qh99-qchm",
  "modified": "2025-10-19T15:30:15Z",
  "published": "2025-10-06T09:30:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59731"
    },
    {
      "type": "WEB",
      "url": "https://b.corp.google.com/issues/436510153"
    },
    {
      "type": "WEB",
      "url": "https://issuetracker.google.com/436510153"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}


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