Show plain JSON{"containers": {"cna": {"affected": [{"product": "envoy", "vendor": "envoyproxy", "versions": [{"status": "affected", "version": ">= 1.20.0, < 1.20.2"}, {"status": "affected", "version": ">= 1.19.0, < 1.19.3"}, {"status": "affected", "version": "< 1.18.6"}, {"status": "affected", "version": ">= 1.21.0, < 1.21.1"}]}], "descriptions": [{"lang": "en", "value": "Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions a crafted request crashes Envoy when a CONNECT request is sent to JWT filter configured with regex match. This provides a denial of service attack vector. The only workaround is to not use regex in the JWT filter. 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