CVE-2019-15225: Envoyproxy Envoy

High severity, CVSS 7.5. EPSS: 3.4% chance of exploitation in the next 30 days.

In Envoy through 1.11.1, users may configure a route to match incoming path headers via the libstdc++ regular expression implementation. A remote attacker may send a request with a very long URI to result in a denial of service (memory consumption). This is a related issue to CVE-2019-14993.

Affected products

• Envoyproxy Envoy: up to and including 1.11.1

Published 2019-08-19. Last modified 2026-06-17.