CVE-2024-23323

Excessive CPU usage when URI template matcher is configured using regex in Envoy

Published Feb 9, 2024 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-20838 Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 1, 2024, 10:59 PM
Reserved
Jan 15, 2024, 3:19 PM
Status
Modified
Published
Feb 9, 2024, 11:15 PM
Modified
Jun 17, 2026, 7:12 AM
Severity
Moderate
Public date
Feb 9, 2024, 5:00 PM