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CVE-2026-55373 OpenEXR: OpenEXRUtil SampleCountChannel endEdit() can loop forever on UINT_MAX sample counts

🗓️ 25 Aug 2026 00:39:45Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

Infinite loop in OpenEXR SampleCountChannel endEdit() on UINT_MAX sample counts via unsigned shift.

Related
Affected
Refs
[
  {
    "vendor": "AcademySoftwareFoundation",
    "product": "openexr",
    "versions": [
      {
        "version": "< 3.2.10",
        "status": "affected"
      },
      {
        "version": ">= 3.3.0, < 3.3.12",
        "status": "affected"
      },
      {
        "version": ">= 3.4.0, < 3.4.13",
        "status": "affected"
      }
    ]
  }
]

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