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CVE-2026-47207 Envoy crashes if multiple unexpected ext_proc responses are packed into one gRPC message

🗓️ 26 Jun 2026 17:52:27Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

Envoy crashes when extension processor responses are packed in one gRPC message; fixed in 1.35.13, 1.36.9, 1.37.5, and 1.38.3.

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08 Jul 2026 08:26Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5
EPSS0.00444
1