Vulnerability Details CVE-2022-29227
Envoy is a cloud-native high-performance edge/middle/service proxy. In versions prior to 1.22.1 if Envoy attempts to send an internal redirect of an HTTP request consisting of more than HTTP headers, there’s a lifetime bug which can be triggered. If while replaying the request Envoy sends a local reply when the redirect headers are processed, the downstream state indicates that the downstream stream is not complete. On sending the local reply, Envoy will attempt to reset the upstream stream, but as it is actually complete, and deleted, this result in a use-after-free. Users are advised to upgrade. Users unable to upgrade are advised to disable internal redirects if crashes are observed.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 28.5%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2022-29227
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cpe:2.3:a:envoyproxy:envoy:-
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cpe:2.3:a:envoyproxy:envoy:1.0.0
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cpe:2.3:a:envoyproxy:envoy:1.1.0
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cpe:2.3:a:envoyproxy:envoy:1.10.0
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cpe:2.3:a:envoyproxy:envoy:1.11.0
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cpe:2.3:a:envoyproxy:envoy:1.11.1
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cpe:2.3:a:envoyproxy:envoy:1.11.2
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cpe:2.3:a:envoyproxy:envoy:1.12.0
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cpe:2.3:a:envoyproxy:envoy:1.12.1
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cpe:2.3:a:envoyproxy:envoy:1.12.2
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cpe:2.3:a:envoyproxy:envoy:1.12.3
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cpe:2.3:a:envoyproxy:envoy:1.12.4
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cpe:2.3:a:envoyproxy:envoy:1.12.5
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cpe:2.3:a:envoyproxy:envoy:1.12.6
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cpe:2.3:a:envoyproxy:envoy:1.12.7
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cpe:2.3:a:envoyproxy:envoy:1.13.0
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cpe:2.3:a:envoyproxy:envoy:1.13.1
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cpe:2.3:a:envoyproxy:envoy:1.13.2
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cpe:2.3:a:envoyproxy:envoy:1.13.3
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cpe:2.3:a:envoyproxy:envoy:1.13.4
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cpe:2.3:a:envoyproxy:envoy:1.13.5
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cpe:2.3:a:envoyproxy:envoy:1.13.6
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cpe:2.3:a:envoyproxy:envoy:1.13.7
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cpe:2.3:a:envoyproxy:envoy:1.13.8
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cpe:2.3:a:envoyproxy:envoy:1.14.0
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cpe:2.3:a:envoyproxy:envoy:1.14.1
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cpe:2.3:a:envoyproxy:envoy:1.14.2
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cpe:2.3:a:envoyproxy:envoy:1.14.3
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cpe:2.3:a:envoyproxy:envoy:1.14.4
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cpe:2.3:a:envoyproxy:envoy:1.14.5
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cpe:2.3:a:envoyproxy:envoy:1.14.6
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cpe:2.3:a:envoyproxy:envoy:1.14.7
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cpe:2.3:a:envoyproxy:envoy:1.15.0
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cpe:2.3:a:envoyproxy:envoy:1.15.1
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cpe:2.3:a:envoyproxy:envoy:1.15.2
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cpe:2.3:a:envoyproxy:envoy:1.15.3
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cpe:2.3:a:envoyproxy:envoy:1.15.4
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cpe:2.3:a:envoyproxy:envoy:1.15.5
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cpe:2.3:a:envoyproxy:envoy:1.16.0
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cpe:2.3:a:envoyproxy:envoy:1.16.1
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cpe:2.3:a:envoyproxy:envoy:1.16.2
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cpe:2.3:a:envoyproxy:envoy:1.16.3
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cpe:2.3:a:envoyproxy:envoy:1.16.4
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cpe:2.3:a:envoyproxy:envoy:1.16.5
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cpe:2.3:a:envoyproxy:envoy:1.17.0
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cpe:2.3:a:envoyproxy:envoy:1.17.1
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cpe:2.3:a:envoyproxy:envoy:1.17.2
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cpe:2.3:a:envoyproxy:envoy:1.17.3
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cpe:2.3:a:envoyproxy:envoy:1.17.4
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cpe:2.3:a:envoyproxy:envoy:1.18.0
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cpe:2.3:a:envoyproxy:envoy:1.18.1
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cpe:2.3:a:envoyproxy:envoy:1.18.2
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cpe:2.3:a:envoyproxy:envoy:1.18.3
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cpe:2.3:a:envoyproxy:envoy:1.18.4
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cpe:2.3:a:envoyproxy:envoy:1.19.0
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cpe:2.3:a:envoyproxy:envoy:1.19.1
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cpe:2.3:a:envoyproxy:envoy:1.19.3
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cpe:2.3:a:envoyproxy:envoy:1.19.4
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cpe:2.3:a:envoyproxy:envoy:1.19.5
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cpe:2.3:a:envoyproxy:envoy:1.2.0
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cpe:2.3:a:envoyproxy:envoy:1.20.0
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cpe:2.3:a:envoyproxy:envoy:1.20.1
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cpe:2.3:a:envoyproxy:envoy:1.20.2
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cpe:2.3:a:envoyproxy:envoy:1.20.3
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cpe:2.3:a:envoyproxy:envoy:1.20.4
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cpe:2.3:a:envoyproxy:envoy:1.20.5
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cpe:2.3:a:envoyproxy:envoy:1.20.6
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cpe:2.3:a:envoyproxy:envoy:1.20.7
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cpe:2.3:a:envoyproxy:envoy:1.21.0
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cpe:2.3:a:envoyproxy:envoy:1.21.1
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cpe:2.3:a:envoyproxy:envoy:1.21.2
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cpe:2.3:a:envoyproxy:envoy:1.21.3
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cpe:2.3:a:envoyproxy:envoy:1.21.4
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cpe:2.3:a:envoyproxy:envoy:1.21.5
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cpe:2.3:a:envoyproxy:envoy:1.21.6
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cpe:2.3:a:envoyproxy:envoy:1.22.0
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cpe:2.3:a:envoyproxy:envoy:1.3.0
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cpe:2.3:a:envoyproxy:envoy:1.4.0
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cpe:2.3:a:envoyproxy:envoy:1.5.0
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cpe:2.3:a:envoyproxy:envoy:1.6.0
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cpe:2.3:a:envoyproxy:envoy:1.7.0
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cpe:2.3:a:envoyproxy:envoy:1.7.1
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cpe:2.3:a:envoyproxy:envoy:1.8.0
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cpe:2.3:a:envoyproxy:envoy:1.9.0
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cpe:2.3:a:envoyproxy:envoy:1.9.1