StackRadar

CVE-2026-33871

High

Advisory

Published 26 Mar 2026In the index since 6 Sept 2026
Severity
High
worst across findings
CVSS
8.7
base score, highest
EPSS
0.011
64th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
315
of 17,781 indexed, latest versions
Container images
364
deployed by those charts
Fix available
1 of 1
affected package

Netty HTTP/2 CONTINUATION Frame Flood DoS via Zero-Byte Frame Bypass

Carried by container images the latest versions of 315 of 17,781 indexed charts deploy, on 364 images.

Affected packageAffected versionsFixed inImages
netty-codec-http2maven4.1.12.Final, 4.1.19.Final, 4.1.22.Final, 4.1.24.Final+75 more4.1.132.Final, 4.2.11.Final364
OSV records
GHSA-w9fj-cfpg-grvv

Charts affected

315 by stars
ChartLatestAffected imagesRadar Score
hermestoukVerified publisher0.6.01 of 3See more

hermes touk 0.6.0

1 of the 3 container images this version deploys carry CVE-2026-33871.

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

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12,455
opencloudunxwaresVerified publisher0.2.31 of 13See more

opencloud unxwares 0.2.3

1 of the 13 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:26.1.4044a457e0498
netty-codec-http2@4.1.118.Final
4.1.132.Final

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45,239
wazuhwazuh-helm-eksVerified publisher1.2.101 of 6See more

wazuh wazuh-helm-eks 1.2.10

1 of the 6 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
wazuh/wazuh-indexer:4.14.49c344d2b1757
netty-codec-http2@4.1.125.Final
4.1.132.Final

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5,484
webhookiewebhookie0.1.21 of 1See more

webhookie webhookie 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
hookiesolutions/webhookie:latest0629694246ba
netty-codec-http2@4.1.73.Final
4.1.132.Final

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14,364
webhookie-allwebhookie0.1.21 of 3See more

webhookie-all webhookie 0.1.2

1 of the 3 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
hookiesolutions/webhookie:latest0629694246ba
netty-codec-http2@4.1.73.Final
4.1.132.Final

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28,605
hazelcastwenerme5.10.21 of 2See more

hazelcast wenerme 5.10.2

1 of the 2 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
hazelcast/hazelcast:5.5.05dd5d31c7a06
netty-codec-http2@4.1.111.Final
4.1.132.Final

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2,634
elasticsearchwiremindVerified publisher8.19.01 of 1See more

elasticsearch wiremind 8.19.0

1 of the 1 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
library/elasticsearch:8.19.1289729a95066a
netty-codec-http2@4.1.130.Final
4.1.132.Final

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2,191
keycloakwiremindVerified publisher25.3.11 of 2See more

keycloak wiremind 25.3.1

1 of the 2 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
ghcr.io/wiremind/bitnami/keycloak:26.5.0-debian-12-r38622ea9e43c0
netty-codec-http2@4.1.128.Final
4.1.132.Final

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7,624
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-2026-33871.

Container imageDigestPackageFixed in
apicurio/apicurio-registry-jpa:1.3.2.Final44eeddd3562c
netty-codec-http2@4.1.49.Final
4.1.132.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-2026-33871.

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

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5,806
ygdrassil-monitoringygdrassilVerified publisher0.4.01 of 10See more

ygdrassil-monitoring ygdrassil 0.4.0

1 of the 10 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
opensearchproject/opensearch:2.18.07f6fa1efee8f
netty-codec-http2@4.1.108.Final
4.1.132.Final

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9,381
zahori-processzahoriVerified publisher1.0.11 of 1See more

zahori-process zahori 1.0.1

1 of the 1 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
zahoriaut/zahori-process:0.1.13351f8a220ed7
netty-codec-http2@4.1.94.Final
4.1.132.Final

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3,480
zahori-serverzahoriVerified publisher1.0.11 of 2See more

zahori-server zahori 1.0.1

1 of the 2 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
zahoriaut/zahori-server:0.1.17b2de13916f3e
netty-codec-http2@4.1.87.Final
4.1.132.Final

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5,846
keycloakxzaks2.2.01 of 1See more

keycloakx zaks 2.2.0

1 of the 1 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:20.0.3b8f2a453a17a
netty-codec-http2@4.1.82.Final
4.1.132.Final

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6,016
zipkinzipkinVerified publisher0.5.01 of 1See more

zipkin zipkin 0.5.0

1 of the 1 container images this version deploys carry CVE-2026-33871.

Container imageDigestPackageFixed in
openzipkin/zipkin-slim:3.6.0a69e1057df36
netty-codec-http2@4.2.10.Final
4.2.11.Final

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1,159

Container images carrying it

364 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
folioci/mod-eusage-reports:latest15de67587091
netty-codec-http2@4.2.10.Final
4.2.11.Final
1
folioci/mod-feesfines:latestfe3a7049f2fb
netty-codec-http2@4.2.7.Final
4.2.11.Final
1
folioci/mod-inventory-update:latestba84812b4d58
netty-codec-http2@4.2.5.Final
4.2.11.Final
1
folioci/mod-login:latest88de493f86db
netty-codec-http2@4.1.130.Final
4.1.132.Final
1
folioci/mod-marccat:latest1b57d690d568
netty-codec-http2@4.1.22.Final
4.1.132.Final
1
folioci/mod-ncip:latest8ed83674352b
netty-codec-http2@4.2.10.Final
4.2.11.Final
1
folioci/mod-oai-pmh:latest5cd5ef063f2a
netty-codec-http2@4.2.7.Final
4.2.11.Final
1
folioci/mod-patron:latest5f213acfe2f8
netty-codec-http2@4.2.7.Final
4.2.11.Final
1
folioci/mod-rtac:latestc959b2d6142f
netty-codec-http2@4.2.5.Final
4.2.11.Final
1
folioci/mod-sender:latestd88a675dddf0
netty-codec-http2@4.2.9.Final
4.2.11.Final
1
folioci/mod-template-engine:latestd105c585da30
netty-codec-http2@4.2.9.Final
4.2.11.Final
1
folioci/mod-users-bl:latest4e2d96c9340d
netty-codec-http2@4.2.9.Final
4.2.11.Final
1
fonoster/routr:1.0.0-rc52ca65af17cbc
netty-codec-http2@4.1.32.Final
4.1.132.Final
1
fonoster/routr-edgeport:2.13.6d08a8a574a50
netty-codec-http2@4.1.79.Final
4.1.132.Final
1
fonoster/routr-requester:2.13.6e0c823506eb2
netty-codec-http2@4.1.79.Final
4.1.132.Final
1
franrobles8/planner:v3.099985392d63c
netty-codec-http2@4.1.54.Final
4.1.132.Final
1
geoservercloud/geoserver-cloud-gateway:1.0-RC2ca58b74529cd
netty-codec-http2@4.1.51.Final
4.1.132.Final
1
geoservercloud/geoserver-cloud-rest:1.0-RC25dc0c93a1710
netty-codec-http2@4.1.51.Final
4.1.132.Final
1
geoservercloud/geoserver-cloud-wcs:1.0-RC247ae1bdb4bcc
netty-codec-http2@4.1.51.Final
4.1.132.Final
1
geoservercloud/geoserver-cloud-webui:1.0-RC228c3e5a8c5a3
netty-codec-http2@4.1.51.Final
4.1.132.Final
1
geoservercloud/geoserver-cloud-wfs:1.0-RC28c70ee06d5ab
netty-codec-http2@4.1.51.Final
4.1.132.Final
1
geoservercloud/geoserver-cloud-wms:1.0-RC242775ba6a4da
netty-codec-http2@4.1.51.Final
4.1.132.Final
1
gotson/komga:1.22.0ba892ab3e082
netty-codec-http2@4.1.115.Final
4.1.132.Final
1
graviteeio/ae-engine:3.0.24140932887e0
netty-codec-http2@4.1.124.Final
4.1.132.Final
1
graviteeio/am-gateway:4.12.607b7f6dc267a
netty-codec-http2@4.1.109.Final
4.1.132.Final
1
graviteeio/am-management-api:4.12.6a8eb04ee0c70
netty-codec-http2@4.1.109.Final
4.1.132.Final
1
graylog/graylog:6.1.1019de1aff48c2
netty-codec-http2@4.1.118.Final
4.1.132.Final
1
gridgain/cloud-connector:2025.5.15ab838d7d3cb
netty-codec-http2@4.1.130.Final
4.1.132.Final
1
gridgain/gridgain9:9.1.1895018390077b
netty-codec-http2@4.2.10.Final
4.2.11.Final
1
gurolakman/smsf-configuration:1.0.49abb3882bcbd
netty-codec-http2@4.1.75.Final
4.1.132.Final
1
gurolakman/smsf-dispatcher:1.0.46537e8ed8de8
netty-codec-http2@4.1.75.Final
4.1.132.Final
1
gurolakman/smsf-momt:1.0.4ce23b20a8a17
netty-codec-http2@4.1.75.Final
4.1.132.Final
1
gurolakman/smsf-registration:1.0.4b22e746edd5d
netty-codec-http2@4.1.75.Final
4.1.132.Final
1
gurolakman/ussigw-configuration:1.0.4bf18525c5ad9
netty-codec-http2@4.1.75.Final
4.1.132.Final
1
gurolakman/ussigw-core:1.0.48739565c3ea2
netty-codec-http2@4.1.75.Final
4.1.132.Final
1
hazelcast/hazelcast:5.3.18fe26efde8e1
netty-codec-http2@4.1.91.Final
4.1.132.Final
1
hazelcast/hazelcast-jet:4.5.3a825ecbe9fda
netty-codec-http2@4.1.51.Final
4.1.132.Final
1
hivemq/hivemq-operator:4.7.10241d6a8e1963
netty-codec-http2@4.1.77.Final
4.1.132.Final
1
huertaslopez/i.huertas.2021-v.martinp.2021-planner:2.0.0e2c18bd65472
netty-codec-http2@4.1.42.Final
4.1.132.Final
1
hugohg34/planner:0.0.2171f61e8d7e2
netty-codec-http2@4.1.42.Final
4.1.132.Final
1
hugohg34/toposervice:0.0.2812a03b3f274
netty-codec-http2@4.1.70.Final
4.1.132.Final
1
keyfactor/signserver-ce:7.3.2798fbbe00283
netty-codec-http2@4.1.118.Final
4.1.132.Final
1
krontechnology/aapm-agent:1.1.07feef7d2ab42
netty-codec-http2@4.1.54.Final
4.1.132.Final
1
lavandadelpatio/torznab-atomohd:latest214eaef5444c
netty-codec-http2@4.1.90.Final
4.1.132.Final
1
library/elasticsearch:8.17.32cc40b15dff8
netty-codec-http2@4.1.118.Final
4.1.132.Final
1
library/elasticsearch:8.15.0310b9fc03b06
netty-codec-http2@4.1.109.Final
4.1.132.Final
1
library/flink:1.11.2-scala_2.121fe4fb22a2a5
netty-codec-http2@4.1.34.Final
4.1.132.Final
1
library/neo4j:2026.02.25ab4ab0358cf
netty-codec-http2@4.2.9.Final
4.2.11.Final
1
library/neo4j:5.18.18f01f7bb053e
netty-codec-http2@4.1.106.Final
4.1.132.Final
1
localstack/localstack:3.19d278167f2b7
netty-codec-http2@4.1.86.Final
4.1.132.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.