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GHSA-P2GH-CFQ4-4WJC Protobuf: Denial of Service issue through malicious messages containing negative varints or deep recursion

🗓️ 25 Mar 2026 21:02:08Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Protobuf PHP library DoS via negative varints or deep recursion during parsing; patches released.

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16 Apr 2026 23:18Current
5.8Medium risk
Vulners AI Score5.8
CVSS 47.1
EPSS0.00031
3