osv-2026-568
Vulnerability from osv_ossfuzz
Published
2026-04-13 00:10
Modified
2026-08-08 14:27
Summary
Heap-buffer-overflow in ultrahdr::IccHelper::readIccColorGamut
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=501676165

Crash type: Heap-buffer-overflow READ 1
Crash state:
ultrahdr::IccHelper::readIccColorGamut
ultrahdr::JpegR::decodeJPEGR
uhdr_decode
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libultrahdr",
        "purl": "pkg:generic/libultrahdr"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "cff53d31267fd8396ecf6bf03f212fc8387f5672"
            }
          ],
          "repo": "https://github.com/google/libultrahdr.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v1.3.1",
        "v1.4.0",
        "v1.5.0",
        "v1.5.1",
        "v2.0.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=501676165\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nultrahdr::IccHelper::readIccColorGamut\nultrahdr::JpegR::decodeJPEGR\nuhdr_decode\n```\n",
  "id": "OSV-2026-568",
  "modified": "2026-08-08T14:27:34.859778Z",
  "published": "2026-04-13T00:10:08.507185Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=501676165"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Heap-buffer-overflow in ultrahdr::IccHelper::readIccColorGamut"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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