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

🗓️ 08 Apr 2026 15:09:01Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 5 Views

OpenEXR PIZ decoder has a signed 32-bit overflow in wavbuf advancement causing out-of-bounds reads and writes.

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08 Apr 2026 15:09Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.8
CVSS 48.6
EPSS0.00011
SSVC
5