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GHSA-JXPF-XQ2M-Q525 OpenMcdf has an Infinite loop DoS via crafted CFB directory cycle

🗓️ 22 Apr 2026 22:09:01Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

OpenMcdf has a cycle in directory tree causing infinite loop in EnumerateEntries and OpenStream.

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13 May 2026 13:52Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.2
EPSS0.00187
4