CVE-2020-8659
published 2020-03-04CVE-2020-8659: CNCF Envoy through 1.13.0 may consume excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small (i.e. 1 byte) chunks.
PriorityP336high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.89%
79.4th percentile
CNCF Envoy through 1.13.0 may consume excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small (i.e. 1 byte) chunks.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| envoyproxy | envoy | <= 1.13.0 | — |
| redhat | openshift_service_mesh | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
vendor_redhat7.5HIGH
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VulDB
CNCF Envoy up to 1.13.0 Proxy resource consumption (RHSA-2020:0734)
vuldb·2026-10-02·CVSS 7.5
CVE-2020-8659 [HIGH] CNCF Envoy up to 1.13.0 Proxy resource consumption (RHSA-2020:0734)
A vulnerability labeled as problematic has been found in CNCF Envoy up to 1.13.0. This impacts an unknown function of the component Proxy Handler. Executing a manipulation can lead to resource consumption.
The identification of this vulnerability is CVE-2020-8659. The attack may be launched remotely. There is no exploit available.
Red Hat
envoy: Excessive CPU and/or memory usage when proxying HTTP/1.1
vendor_redhat·2020-03-03·CVSS 7.5
CVE-2020-8659 [HIGH] CWE-400 envoy: Excessive CPU and/or memory usage when proxying HTTP/1.1
envoy: Excessive CPU and/or memory usage when proxying HTTP/1.1
CNCF Envoy through 1.13.0 may consume excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small (i.e. 1 byte) chunks.
A resource consumption vulnerability was found in the servicemesh-proxy in Envoy. An attacker could send specially crafted small HTTP/1.1 packets that, when processed, could cause excessive amounts of memory to be used, possibly degrading or crashing the application.
No detection rules found.
No public exploits indexed.
https://access.redhat.com/errata/RHSA-2020:0734https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qvhttps://lists.debian.org/debian-lts-announce/2022/05/msg00025.htmlhttps://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_historyhttps://access.redhat.com/errata/RHSA-2020:0734https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qvhttps://lists.debian.org/debian-lts-announce/2022/05/msg00025.htmlhttps://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history
2020-03-04
Published