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

🗓️ 13 Jul 2026 14:36:49Reported by Python Packaging AdvisoryType 
pypa
 pypa
🔗 github.com👁 27 Views

OpenEXR PIZ decoder overflows signed 32-bit arithmetic, causing out-of-bounds reads and writes.

Related
Detection
Refs
Vulners
Node
pypiopenexrRange3.4.0–3.4.9

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13 Jul 2026 16:05Current
7.4High risk
Vulners AI Score7.4
CVSS 3.17.8 - 8.8
CVSS 48.6
EPSS0.00567
SSVC
27