CVEvulnerability
CVE-2019-18836
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-11-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-835
Description
Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continue_on_listener_filters_timeout is used."
Affected configurations
• envoyproxy envoy 1.12.0
• istio istio (>= 1.3.0 <= 1.3.3)
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- https://blog.envoyproxy.io Vendor Advisory
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46 Exploit, Third Party Advisory
- https://github.com/istio/istio/issues/18229 Exploit, Third Party Advisory
- https://groups.google.com/forum/#%21forum/envoy-users groups.google.com
- https://blog.envoyproxy.io Vendor Advisory
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46 Exploit, Third Party Advisory
- https://github.com/istio/istio/issues/18229 Exploit, Third Party Advisory
- https://groups.google.com/forum/#%21forum/envoy-users groups.google.com