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JLSEC-2026-957 ImageMagick Has Signed Integer Overflow in SIXEL Decoder, Leading to Memory Corruption

🗓️ 30 Jul 2026 16:02:27Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

ImageMagick SIXEL decoder overflow in buffer reallocation leads to memory corruption and denial of service from crafted SIXEL image.

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30 Jul 2026 18:35Current
7High risk
Vulners AI Score7
CVSS 3.17.5
EPSS0.00275
5