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JLSEC-2026-813 Crafted HTJ2K compressed EXR files can trigger out of bounds reads in OpenEXR

🗓️ 29 Jul 2026 14:18:08Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

OpenEXR HTJ2K heap-buffer-overflow in ht_undo_impl (3.4.0–3.4.11); fixed in 3.4.12.

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29 Jul 2026 14:30Current
6Medium risk
Vulners AI Score6
CVSS 3.16.5
CVSS 48.3
EPSS0.00292
3