All vulnerabilities

Servers and applications

CVE-2021-39162

Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, can abnormally terminate if an H/2 GOAWAY and SETTINGS frame are received in the same IO event. This can lead to a DoS in the presence of untrusted *upstream* servers. 0.15.1 contains an upgraded envoy binary with this vulnerability patched. If only trusted upstreams are configured, there is not…

Severity
High 8.6
Published
9 Sept 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.18.4
Sources
NVD

Affected software

SoftwareAffected versions
EnvoyServers and applications · cpe:a:envoyproxy:envoy
  • Every version before 1.18.4
  • Version 1.19.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-39162
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-39162