StackRadar

CVE-2021-21409

Medium

Advisory

Published 30 Mar 2021In the index since 6 Sept 2026
Severity
Medium
worst across findings
CVSS
5.9
base score, highest
EPSS
0.049
92nd percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
135
of 17,781 indexed, latest versions
Container images
139
deployed by those charts
Fix available
1 of 2
affected packages

Possible request smuggling in HTTP/2 due missing validation of content-length

Carried by container images the latest versions of 135 of 17,781 indexed charts deploy, on 139 images.

Affected packageAffected versionsFixed inImages
netty-codec-http2maven4.1.12.Final, 4.1.19.Final, 4.1.22.Final, 4.1.24.Final+18 more4.1.61.Final82
nettymaven3.2.10.Final, 3.6.1.Final, 3.6.2.Final, 3.6.6.Final+6 moreno fix listed66
OSV records
GHSA-f256-j965-7f32

Charts affected

135 by stars
ChartLatestAffected imagesRadar Score
aws-api-gateway-operatormintel0.1.21 of 11See more

aws-api-gateway-operator mintel 0.1.2

1 of the 11 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
opensearchproject/opensearch:1.1.0967d7f57f72f
netty-codec-http2@4.1.45.Final
4.1.61.Final

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10,603
standard-application-stackmintel11.4.01 of 12See more

standard-application-stack mintel 11.4.0

1 of the 12 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
opensearchproject/opensearch:1.1.0967d7f57f72f
netty-codec-http2@4.1.45.Final
4.1.61.Final

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10,603
chirpstackmosquitto-helm-chart0.5.01 of 8See more

chirpstack mosquitto-helm-chart 0.5.0

1 of the 8 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
apachepulsar/pulsar:2.9.0d056c89b7131
netty@3.10.6.Final
netty-codec-http2@4.1.51.Final
no fix listed
4.1.61.Final

Open the chart page →

25,933
pulsarmosquitto-helm-chart0.2.01 of 1See more

pulsar mosquitto-helm-chart 0.2.0

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
apachepulsar/pulsar:2.10.03b262ab7a7d9
netty@3.10.6.Final
no fix listed

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15,675
Practica_4_helmmy-heml-appVerified publisher0.1.01 of 7See more

Practica_4_helm my-heml-app 0.1.0

1 of the 7 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
adagber/planner:v1.0e5c1ed097752
netty-codec-http2@4.1.42.Final
4.1.61.Final

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27,721
elasticsearch2ncsaVerified publisher0.2.21 of 2See more

elasticsearch2 ncsa 0.2.2

1 of the 2 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
library/elasticsearch:2.4.641ed3a1a16b6
netty@3.10.6.Final
no fix listed

Open the chart page →

4,911
zookeeper-helm-chartnotesprojectchart0.1.01 of 1See more

zookeeper-helm-chart notesprojectchart 0.1.0

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
wurstmeister/zookeeper:latest7a7fd44a7210
netty@3.10.6.Final
no fix listed

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41,427
hive-metastoreolehrgfVerified publisher0.1.01 of 1See more

hive-metastore olehrgf 0.1.0

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
ghcr.io/melodyyangaws/hive-metastore:3.0.0e949b0f733f0
netty@3.10.6.Final
no fix listed

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8,540
cdn-remoteopencord0.2.41 of 3See more

cdn-remote opencord 0.2.4

1 of the 3 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
omecproject/cdn-antmedia:1.0.0b4ae7d0d6b74
netty-codec-http2@4.1.19.Final
4.1.61.Final

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63,223
comacopencord1.0.01 of 9See more

comac opencord 1.0.0

1 of the 9 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
omecproject/onos-progran:1.0.05715e5648aa0
netty@3.10.5.Final
no fix listed

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88,546
omec-control-planeopencord0.1.312 of 8See more

omec-control-plane opencord 0.1.31

2 of the 8 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
library/cassandra:2.1.20cb079c0d7a57
netty@3.9.0.Final
no fix listed
omecproject/c3po-hssdb:master-latest28a90cc26716
netty@3.9.0.Final
no fix listed

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40,715
onosopencord3.0.21 of 1See more

onos opencord 3.0.2

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
onosproject/onos:2.2.144914a8d4b3f
netty@3.10.5.Final
netty-codec-http2@4.1.35.Final
no fix listed
4.1.61.Final

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12,927
onos-progranopencord1.2.71 of 2See more

onos-progran opencord 1.2.7

1 of the 2 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
muluder/prograncontrollermcord:0.1.843b597a93da7
netty@3.10.5.Final
no fix listed

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38,865
voltha-infraopencord2.14.02 of 10See more

voltha-infra opencord 2.14.0

2 of the 10 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
atomix/atomix:3.1.127738ff4f5c63
netty-codec-http2@4.1.27.Final
4.1.61.Final
voltha/voltha-onos:5.1.8e038acb950d3
netty@3.10.5.Final
netty-codec-http2@4.1.35.Final
no fix listed
4.1.61.Final

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41,044
openwhiskopenwhisk1.0.02 of 10See more

openwhisk openwhisk 1.0.0

2 of the 10 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
library/zookeeper:3.43882d9493d38
netty@3.10.6.Final
no fix listed
openwhisk/invoker:1.0.0f5831ec85525
netty@3.10.6.Final
netty-codec-http2@4.1.45.Final
no fix listed
4.1.61.Final

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36,215
p4p40.1.01 of 7See more

p4 p4 0.1.0

1 of the 7 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
mastercloudapps/planner:v1.2340a950b311b2
netty-codec-http2@4.1.42.Final
4.1.61.Final

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27,537
myappp4-helm0.1.01 of 6See more

myapp p4-helm 0.1.0

1 of the 6 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
fjvela/urjc-fjvela-worker:1.0.170cebf67bd66
netty-codec-http2@4.1.42.Final
4.1.61.Final

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19,720
Practica_4_helmpr04helm0.1.01 of 7See more

Practica_4_helm pr04helm 0.1.0

1 of the 7 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
pcarrascoponce/planner:v1.0981fc482442c
netty-codec-http2@4.1.42.Final
4.1.61.Final

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27,558
practica-helmpractica-helm0.1.02 of 7See more

practica-helm practica-helm 0.1.0

2 of the 7 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
slagattollas/planner-practica:latestcecd95e31486
netty-codec-http2@4.1.42.Final
4.1.61.Final
slagattollas/toposervice-practica:latestdc63973dae0d
netty-codec-http2@4.1.54.Final
4.1.61.Final

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28,484
hive-metastorepresto-loadbalancer0.2.31 of 1See more

hive-metastore presto-loadbalancer 0.2.3

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
datappeal/hive-metastore:lateste38c085a3567
netty@3.10.5.Final
no fix listed

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9,606
rada-platformrada-platform0.1.01 of 7See more

rada-platform rada-platform 0.1.0

1 of the 7 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
trinodb/trino:45038c6f24ab1a4
netty@3.10.6.Final
no fix listed

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21,211
nacossaber0.1.111 of 1See more

nacos saber 0.1.11

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
nacos/nacos-server:v2.1.0dcf04549c6d7
netty-codec-http2@4.1.42.Final
4.1.61.Final

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3,978
helm-chart-examplesalaboy0.1.01 of 1See more

helm-chart-example salaboy 0.1.0

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
salaboy/fmtok8s-monolith:v0.1.0f225568e6d03
netty-codec-http2@4.1.51.Final
4.1.61.Final

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2,847
seldon-core-oauth-gatewayseldon0.3.11 of 2See more

seldon-core-oauth-gateway seldon 0.3.1

1 of the 2 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
seldonio/apife:0.3.1eea0d3f578ca
netty-codec-http2@4.1.12.Final
4.1.61.Final

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8,098
shenyushenyu0.6.32 of 2See more

shenyu shenyu 0.6.3

2 of the 2 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
apache/shenyu-admin:2.5.1e2be712fc4f4
netty-codec-http2@4.1.38.Final
4.1.61.Final
apache/shenyu-bootstrap:2.5.11bd5756f6273
netty-codec-http2@4.1.38.Final
4.1.61.Final

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8,804
shenyushenyu-helm-chart-test2.4.272 of 2See more

shenyu shenyu-helm-chart-test 2.4.27

2 of the 2 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
apache/shenyu-admin:2.4.2e8b7c4ddd069
netty-codec-http2@4.1.43.Final
4.1.61.Final
apache/shenyu-bootstrap:2.4.20bd3b25c4be4
netty-codec-http2@4.1.38.Final
4.1.61.Final

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12,513
archivaslamdev0.0.71 of 2See more

archiva slamdev 0.0.7

1 of the 2 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
xetusoss/archiva:v2.2.588f25242b9ee
netty@3.6.6.Final
no fix listed

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6,907
trinostatcan1.23.41 of 2See more

trino statcan 1.23.4

1 of the 2 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
trinodb/trino:405ee80ab5eeab2
netty@3.10.5.Final
no fix listed

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13,767
zipkin-gcpt3n1.0.01 of 1See more

zipkin-gcp t3n 1.0.0

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
openzipkin/zipkin-gcp:0.15.2b5d51d1144e2
netty-codec-http2@4.1.43.Final
4.1.61.Final

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4,538
hadoop-deploymenttejaswita-hadoop-helmchart1.0.01 of 1See more

hadoop-deployment tejaswita-hadoop-helmchart 1.0.0

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
apache/hadoop:3af361b20bec0
netty@3.10.6.Final
no fix listed

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4,240
shenyutest-helm2.4.212 of 2See more

shenyu test-helm 2.4.21

2 of the 2 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
apache/shenyu-admin:2.4.2e8b7c4ddd069
netty-codec-http2@4.1.43.Final
4.1.61.Final
apache/shenyu-bootstrap:2.4.20bd3b25c4be4
netty-codec-http2@4.1.38.Final
4.1.61.Final

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12,513
hermestoukVerified publisher0.6.01 of 3See more

hermes touk 0.6.0

1 of the 3 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
apicurio/apicurio-registry-kafkasql:2.1.0.Finala97d67487532
netty-codec-http2@4.1.49.Final
4.1.61.Final

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12,455
queryservicewbstack0.2.11 of 1See more

queryservice wbstack 0.2.1

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
ghcr.io/wbstack/queryservice:0.3.6_0.6b83b5b81d4b6
netty@3.10.6.Final
no fix listed

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4,649
apicurio-registry-sqlwitcom-gmbh0.1.01 of 1See more

apicurio-registry-sql witcom-gmbh 0.1.0

1 of the 1 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
apicurio/apicurio-registry-jpa:1.3.2.Final44eeddd3562c
netty-codec-http2@4.1.49.Final
4.1.61.Final

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3,424
opendistro-eswitcom-gmbh1.13.31 of 3See more

opendistro-es witcom-gmbh 1.13.3

1 of the 3 container images this version deploys carry CVE-2021-21409.

Container imageDigestPackageFixed in
amazon/opendistro-for-elasticsearch:1.13.32acfa1dcc5f8
netty-codec-http2@4.1.45.Final
4.1.61.Final

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5,806

Container images carrying it

139 by charts deploying them

A fixed version is listed for 1 of the 2 affected packages.

Container imageDigestPackageFixed inUsed by
budibase/database:2.1.0d90f656261c9
netty@3.2.10.Final
no fix listed
1
choerodon/event-store-service:0.8.03c94c97f6f69
netty@3.7.0.Final
no fix listed
1
confluentinc/cp-enterprise-control-center:6.1.0f2975d507a2a
netty-codec-http2@4.1.47.Final
4.1.61.Final
1
confluentinc/cp-enterprise-kafka:6.1.08f1544df1f48
netty-codec-http2@4.1.45.Final
4.1.61.Final
1
confluentinc/cp-kafka:5.0.1c87b1c07fb53
netty@3.10.6.Final
no fix listed
1
confluentinc/cp-kafka-connect:6.1.04bc70a83ca6f
netty-codec-http2@4.1.47.Final
4.1.61.Final
1
confluentinc/cp-kafka-rest:6.1.0b0b7aa26254a
netty-codec-http2@4.1.49.Final
4.1.61.Final
1
confluentinc/cp-ksqldb-server:6.1.0ee403d5b9090
netty-codec-http2@4.1.49.Final
4.1.61.Final
1
confluentinc/cp-schema-registry:6.1.0b651d4b6185a
netty-codec-http2@4.1.49.Final
4.1.61.Final
1
datappeal/hive-metastore:lateste38c085a3567
netty@3.10.5.Final
no fix listed
1
davidvmar/urjc-davidvmar-worker:1.0.10d221e834a21
netty-codec-http2@4.1.42.Final
4.1.61.Final
1
dbanda/livy:0.80ca125e68e53
netty@3.9.9.Final
no fix listed
1
dbanda/spark:2.4.6d0e6367876ae
netty@3.10.5.Final
no fix listed
1
deltaio/delta-sharing-server:0.2.08b75118187c5
netty@3.10.6.Final
no fix listed
1
dremio/dremio-oss:24.1.080ed2e3b7c43
netty@3.10.6.Final
netty-codec-http2@4.1.52.Final
no fix listed
4.1.61.Final
1
duck1123/dinsro:latest9568c5961d5d
netty@3.10.6.Final
no fix listed
1
egdsandaru/apache-ranger-admin:1.0.0681baa1926f4
netty@3.10.6.Final
no fix listed
1
fimperato/sparkvid-api:1.0.5-RELEASE604012b77841
netty@3.9.9.Final
no fix listed
1
fjvela/urjc-fjvela-worker:1.0.170cebf67bd66
netty-codec-http2@4.1.42.Final
4.1.61.Final
1
folioci/mod-aes:latest6d67e9564270
netty-codec-http2@4.1.60.Final
4.1.61.Final
1
folioci/mod-marccat:latest1b57d690d568
netty-codec-http2@4.1.22.Final
4.1.61.Final
1
fonoster/routr:1.0.0-rc52ca65af17cbc
netty-codec-http2@4.1.32.Final
4.1.61.Final
1
franrobles8/planner:v3.099985392d63c
netty-codec-http2@4.1.54.Final
4.1.61.Final
1
gchq/accumulo:2.0.1c460bb587d6d
netty@3.10.6.Final
no fix listed
1
geoservercloud/geoserver-cloud-gateway:1.0-RC2ca58b74529cd
netty-codec-http2@4.1.51.Final
4.1.61.Final
1
geoservercloud/geoserver-cloud-rest:1.0-RC25dc0c93a1710
netty-codec-http2@4.1.51.Final
4.1.61.Final
1
geoservercloud/geoserver-cloud-wcs:1.0-RC247ae1bdb4bcc
netty-codec-http2@4.1.51.Final
4.1.61.Final
1
geoservercloud/geoserver-cloud-webui:1.0-RC228c3e5a8c5a3
netty-codec-http2@4.1.51.Final
4.1.61.Final
1
geoservercloud/geoserver-cloud-wfs:1.0-RC28c70ee06d5ab
netty-codec-http2@4.1.51.Final
4.1.61.Final
1
geoservercloud/geoserver-cloud-wms:1.0-RC242775ba6a4da
netty-codec-http2@4.1.51.Final
4.1.61.Final
1
gradiant/hdfs:3.2.2e3bf364fe713
netty@3.10.6.Final
no fix listed
1
graylog2/server:2.4.3-38ff28c66e6c1
netty@3.10.6.Final
no fix listed
1
gridgain/community:8.9.11d32d182a0e6a
netty@3.7.0.Final
no fix listed
1
hazelcast/hazelcast-jet:4.5.3a825ecbe9fda
netty-codec-http2@4.1.51.Final
4.1.61.Final
1
huertaslopez/i.huertas.2021-v.martinp.2021-planner:2.0.0e2c18bd65472
netty-codec-http2@4.1.42.Final
4.1.61.Final
1
hugohg34/planner:0.0.2171f61e8d7e2
netty-codec-http2@4.1.42.Final
4.1.61.Final
1
ibmcom/bai-flink-dev:19.0.2e31ff09e8aad
netty@3.6.2.Final
no fix listed
1
ibmcom/bai-flink-zookeeper-dev:19.0.258548034cf55
netty@3.10.6.Final
no fix listed
1
krontechnology/aapm-agent:1.1.07feef7d2ab42
netty-codec-http2@4.1.54.Final
4.1.61.Final
1
library/cassandra:2.1.20cb079c0d7a57
netty@3.9.0.Final
no fix listed
1
library/elasticsearch:2.4.641ed3a1a16b6
netty@3.10.6.Final
no fix listed
1
library/flink:1.11.2-scala_2.121fe4fb22a2a5
netty-codec-http2@4.1.34.Final
4.1.61.Final
1
library/neo4j:3.4.5-enterprisea1ba477fa412
netty@3.9.9.Final
no fix listed
1
library/storm:2.4.0bd5d420506d6
netty@3.6.2.Final
no fix listed
1
library/zookeeper:3.43882d9493d38
netty@3.10.6.Final
no fix listed
1
lightbend/spark-history-server:2.4.00bedf37f428a
netty@3.9.9.Final
no fix listed
1
lourdesmorente/new-planner:1.0.0608745878cdb
netty-codec-http2@4.1.42.Final
4.1.61.Final
1
molynx/planner:v1441c9f52f092
netty-codec-http2@4.1.42.Final
4.1.61.Final
1
muluder/prograncontrollermcord:0.1.843b597a93da7
netty@3.10.5.Final
no fix listed
1
nacos/nacos-server:1.4.1fe6e5688cdf3
netty-codec-http2@4.1.38.Final
4.1.61.Final
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.