{
  "cveId": "CVE-2026-55371",
  "url": "https://patchblox.com/security/cve/CVE-2026-55371",
  "summary": "CVE-2026-55371 is fixed in openexr on 1 platform by DEBIAN-CVE-2026-55371 (version 3.4.14-0.1), released August 28, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "openexr: OpenEXR is the reference implementation and specification for the EXR high-dynamic-range image file format, widely us...",
  "description": "OpenEXR is the reference implementation and specification for the EXR high-dynamic-range image file format, widely used in the motion picture industry. Versions 3.4.0 through 3.4.12 contain a NULL pointer dereference in the OpenEXRCore function exr_attr_set_bytes(). The public setter validates the top-level exr_attr_bytes_t value pointer but does not verify that the nested type_hint pointer is non-NULL when hint_length is greater than zero. When a caller supplies a positive hint_length together with a NULL type_hint, exr_attr_bytes_create() allocates a destination type-hint buffer and then copies from the NULL source pointer, causing a deterministic crash. The flaw is reachable through the public OpenEXRCore C API and results in a denial of service. The issue is fixed in version 3.4.13.",
  "published": "2026-08-25T01:16:36Z",
  "severity": "",
  "epss": 0.00167,
  "epssPercentile": 0.0601,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "openexr",
      "release": "Debian 14",
      "fixedVersion": "3.4.14-0.1",
      "fix": "DEBIAN-CVE-2026-55371",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-55371",
      "released": "2026-08-28T00:36:15Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}