CVE-2021-39204

Excessive CPU usage in Pomerium

Published Sep 9, 2021 CVSS 3.1 · 7.5 High EPSS 1.7% KEV · Not listed
Description
Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive complexity. This can lead to high CPU utilization when a large number of streams are reset. This can result in a DoS condition. Pomerium versions 0.14.8 and 0.15.1 contain an upgraded envoy binary with this vulnerability patched.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-1989 Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive complexity. This can lead to high CPU utilization when a large number of streams are reset. This can result in a DoS condition. Pomerium versions 0.14.8 and 0.15.1 contain an upgraded envoy binary with this vulnerability patched.
Github GHSA Github GHSA GHSA-5wjf-62hw-q78r Excessive CPU usage
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 4, 2024, 1:58 AM
Reserved
Aug 16, 2021, 12:00 AM
Status
Modified
Published
Sep 9, 2021, 10:15 PM
Modified
Jun 17, 2026, 4:03 AM