CVE-2019-18836

HighCVSS 7.5/10Last modified Jun 17, 2026

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."

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-835

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://blog.envoyproxy.ioVendor Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46Exploit, Third Party Advisory
https://github.com/istio/istio/issues/18229Exploit, Third Party Advisory
https://groups.google.com/forum/#%21forum/envoy-users
https://blog.envoyproxy.ioVendor Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46Exploit, Third Party Advisory
https://github.com/istio/istio/issues/18229Exploit, Third Party Advisory
https://groups.google.com/forum/#%21forum/envoy-users

Timeline

Published: Nov 11, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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