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CVE-2026-34588 OpenEXR has a signed 32-bit Overflow in PIZ Decoder Leads to OOB Read/Write

🗓️ 06 Apr 2026 15:31:57Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

OpenEXR PIZ decoder overflow from signed 32-bit arithmetic causes OOB reads and writes; fixed in 3.2.7, 3.3.9, 3.4.9.

Related
Affected
Refs
[
  {
    "vendor": "AcademySoftwareFoundation",
    "product": "openexr",
    "versions": [
      {
        "version": ">= 3.1.0, <= 3.1.13",
        "status": "affected"
      },
      {
        "version": ">= 3.2.0, < 3.2.7",
        "status": "affected"
      },
      {
        "version": ">= 3.3.0, < 3.3.9",
        "status": "affected"
      },
      {
        "version": ">= 3.4.0, < 3.4.9",
        "status": "affected"
      }
    ]
  }
]

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