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OpenEXR: integer overflow to OOB write in uncompress_b44_impl()

🗓️ 03 Apr 2026 21:47:07Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 20 Views

OpenEXR B44 decoder overflows int computing row pointers, causing out-of-bounds writes.

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openexropenexrRange3.2.0–3.2.6pip
openexropenexrRange3.3.0–3.3.8pip
openexropenexrRange3.4.0–3.4.7pip

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03 Apr 2026 21:47Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.3
CVSS 48.4
EPSS0.0021
SSVC
20