Description
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.
References (4)
Core 4
Core References
Release Notes, Third Party Advisory x_refsource_confirm
https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history
Third Party Advisory x_refsource_misc
https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qv
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0734
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/05/msg00025.html
Scores
CVSS v3
7.5
EPSS
0.0102
EPSS Percentile
77.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-770
Status
published
Products (3)
cncf/envoy
< 1.13.0
debian/debian_linux
9.0
redhat/openshift_service_mesh
1.0
Published
Mar 04, 2020
Tracked Since
Feb 18, 2026