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JLSEC-2026-987 ImageMagick has heap buffer overflow in WriteXWDImage due to CARD32 arithmetic overflow in bytes_per_line calculation

🗓️ 30 Jul 2026 16:02:27Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

ImageMagick WriteXwdImage 32-bit overflow causes heap overflow on large images.

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30 Jul 2026 18:35Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.16.1
EPSS0.00099
3