StackRadar

CVE-2021-23409

High

Advisory

Published 26 Jul 2021In the index since 6 Sept 2026
Severity
High
worst across findings
CVSS
7.5
base score, highest
EPSS
0.016
75th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
6
of 17,781 indexed, latest versions
Container images
5
deployed by those charts
Fix available
1 of 1
affected package

github.com/pires/go-proxyproto vulnerable to DoS via Connection descriptor exhaustion

Carried by container images the latest versions of 6 of 17,781 indexed charts deploy, on 5 images.

Affected packageAffected versionsFixed inImages
github.com/pires/go-proxyprotogolangv0.0.0-20190111085350-4d51b51e3bfc, v0.0.0-20190615163442-2c19fd512994, v0.5.00.6.15
OSV records
GHSA-xcf7-q56x-78gh
Also known as
GO-2022-0233, SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1316439

Charts affected

6 by stars
ChartLatestAffected imagesRadar Score
kube-prometheuschoerodon9.3.11 of 7See more

kube-prometheus choerodon 9.3.1

1 of the 7 container images this version deploys carry CVE-2021-23409.

Container imageDigestPackageFixed in
squareup/ghostunnel:v1.5.270f4cf270425
github.com/pires/go-proxyproto@v0.0.0-20190615163442-2c19fd512994
0.6.1

Open the chart page →

12,237
frpc-ingressinfinity-server0.4.11 of 1See more

frpc-ingress infinity-server 0.4.1

1 of the 1 container images this version deploys carry CVE-2021-23409.

Container imageDigestPackageFixed in
springhack/frpc_ingress:latest4aceb821da88
github.com/pires/go-proxyproto@v0.5.0
0.6.1

Open the chart page →

2,622
frpswenerme1.0.11 of 1See more

frps wenerme 1.0.1

1 of the 1 container images this version deploys carry CVE-2021-23409.

Container imageDigestPackageFixed in
wener/frps:v0.37.05c92cc9e8597
github.com/pires/go-proxyproto@v0.0.0-20190111085350-4d51b51e3bfc
0.6.1

Open the chart page →

3,359
traefik2mesosphere9.18.01 of 1See more

traefik2 mesosphere 9.18.0

1 of the 1 container images this version deploys carry CVE-2021-23409.

Container imageDigestPackageFixed in
library/traefik:2.4.8eda951fd29a8
github.com/pires/go-proxyproto@v0.5.0
0.6.1

Open the chart page →

3,341
prometheus-operatorstatcan0.2.21 of 7See more

prometheus-operator statcan 0.2.2

1 of the 7 container images this version deploys carry CVE-2021-23409.

Container imageDigestPackageFixed in
squareup/ghostunnel:v1.5.270f4cf270425
github.com/pires/go-proxyproto@v0.0.0-20190615163442-2c19fd512994
0.6.1

Open the chart page →

12,237
frpcwenerme1.0.11 of 1See more

frpc wenerme 1.0.1

1 of the 1 container images this version deploys carry CVE-2021-23409.

Container imageDigestPackageFixed in
wener/frpc:v0.37.0cc9fd4da44c0
github.com/pires/go-proxyproto@v0.0.0-20190111085350-4d51b51e3bfc
0.6.1

Open the chart page →

3,359

Container images carrying it

5 by charts deploying them

A fixed version is listed for 1 of the 1 affected package.

Container imageDigestPackageFixed inUsed by
squareup/ghostunnel:v1.5.270f4cf270425
github.com/pires/go-proxyproto@v0.0.0-20190615163442-2c19fd512994
0.6.1
2
library/traefik:2.4.8eda951fd29a8
github.com/pires/go-proxyproto@v0.5.0
0.6.1
1
springhack/frpc_ingress:latest4aceb821da88
github.com/pires/go-proxyproto@v0.5.0
0.6.1
1
wener/frpc:v0.37.0cc9fd4da44c0
github.com/pires/go-proxyproto@v0.0.0-20190111085350-4d51b51e3bfc
0.6.1
1
wener/frps:v0.37.05c92cc9e8597
github.com/pires/go-proxyproto@v0.0.0-20190111085350-4d51b51e3bfc
0.6.1
1

syft 1.42.1 · advisories as of 14 Sept 2026

Corrections: contact@stackradar.io

Catalogue: Artifact Hub · Advisories: OSV · Exploitation: FIRST EPSS, CISA KEV.