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CVE-2026-53503 Thumbor convolution filter allows divide-by-zero in C extension leading to remote DoS

🗓️ 31 Jul 2026 18:54:20Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Thumbor convolution filter uses columns as divisor in C, causing divide by zero and denial of service; fixed in 7.8.0.

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01 Aug 2026 11:30Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
2