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ImageMagick has a heap overflow caused by integer overflow/wraparound in viff encoder on 32-bit builds

🗓️ 13 Apr 2026 19:09:58Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 8 Views

ImageMagick viff encoder on thirty two bit builds has wraparound overflow causing out-of-bounds heap writes.

Related
Detection
Refs
Vulners
Node
magick.net-q8-x86Range<14.12.0nuget
OR
magick.net-q8-anycpuRange<14.12.0nuget
OR
magick.net-q16-x86Range<14.12.0nuget
OR
magick.net-q16-hdri-x86Range<14.12.0nuget
OR
magick.net-q16-hdri-anycpuRange<14.12.0nuget
OR
magick.net-q16-anycpuRange<14.12.0nuget

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24 Apr 2026 20:47Current
5.1Medium risk
Vulners AI Score5.1
CVSS 3.15.9 - 7.5
EPSS0.00434
SSVC
8