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
codeurjc/toposervice:v1.0:v1.239fb4c11e6a49
netty-codec-http2@4.1.85.Final
4.1.132.Final
13
codeurjc/server:v1.0310bea5b1ee7
netty-codec-http2@4.1.82.Final
4.1.132.Final
8
mastercloudapps/planner:v1.2340a950b311b2
netty-codec-http2@4.1.70.Final
4.1.132.Final
4
mastercloudapps/server:v2.23f3d24dfe2686
netty-codec-http2@4.1.82.Final
4.1.132.Final
4
oscarsotosanchez/toposervice:v1.0d4d020e9f272
netty-codec-http2@4.1.54.Final
4.1.132.Final
4
quay.io/strimzi/operator:0.37.052f376e64b9b
netty-codec-http2@4.1.94.Final
4.1.132.Final
4
apache/shenyu-admin:2.4.2e8b7c4ddd069
netty-codec-http2@4.1.43.Final
4.1.132.Final
3
apache/shenyu-bootstrap:2.4.20bd3b25c4be4
netty-codec-http2@4.1.38.Final
4.1.132.Final
3
codeurjc/planner:v1.0800cf520c245
netty-codec-http2@4.1.42.Final
4.1.132.Final
3
mockserver/mockserver:5.15.0:mockserver-5.15.00f9ef78c9489
netty-codec-http2@4.1.86.Final
4.1.132.Final
3
provectuslabs/kafka-ui:latest8f2ff02d64b0
netty-codec-http2@4.1.97.Final
4.1.132.Final
3
airbyte/workload-launcher:2.2.0119be7bfb719
netty-codec-http2@4.2.9.Final
4.2.11.Final
2
amazon/opendistro-for-elasticsearch:1.13.32acfa1dcc5f8
netty-codec-http2@4.1.45.Final
4.1.132.Final
2
apache/fineract:1.12.1a83cf1980609
netty-codec-http2@4.1.119.Final
4.1.132.Final
2
apache/nifi-registry:1.26.07cdfd8deec92
netty-codec-http2@4.1.109.Final
4.1.132.Final
2
apachepulsar/pulsar-manager:v0.1.0b341ef76a852
netty-codec-http2@4.1.24.Final
4.1.132.Final
2
apache/rocketmq:5.4.0319cd8a81ed1
netty-codec-http2@4.1.119.Final
4.1.132.Final
2
apacherocketmq/rocketmq-dashboard:2.1.0ce78506bd6fe
netty-codec-http2@4.1.114.Final
4.1.132.Final
2
bitnamilegacy/elasticsearch:9.1.2-debian-12-r000176a47afa0
netty-codec-http2@4.1.118.Final
4.1.132.Final
2
geoservercloud/geoserver-cloud-gateway:1.0-RC3756559ee788a
netty-codec-http2@4.1.51.Final
4.1.132.Final
2
geoservercloud/geoserver-cloud-rest:1.0-RC399540eef78ad
netty-codec-http2@4.1.51.Final
4.1.132.Final
2
geoservercloud/geoserver-cloud-wcs:1.0-RC35c254c53a357
netty-codec-http2@4.1.51.Final
4.1.132.Final
2
geoservercloud/geoserver-cloud-webui:1.0-RC3c687b1cbc891
netty-codec-http2@4.1.51.Final
4.1.132.Final
2
geoservercloud/geoserver-cloud-wfs:1.0-RC35288f320cf36
netty-codec-http2@4.1.51.Final
4.1.132.Final
2
geoservercloud/geoserver-cloud-wms:1.0-RC3a30a60ac6cd0
netty-codec-http2@4.1.51.Final
4.1.132.Final
2
hazelcast/hazelcast:5.5.05dd5d31c7a06
netty-codec-http2@4.1.111.Final
4.1.132.Final
2
hookiesolutions/webhookie:latest0629694246ba
netty-codec-http2@4.1.73.Final
4.1.132.Final
2
hyperledger/besu:22.4-openjdk-latesta674d35eec9a
netty-codec-http2@4.1.74.Final
4.1.132.Final
2
library/elasticsearch:8.19.1289729a95066a
netty-codec-http2@4.1.130.Final
4.1.132.Final
2
library/neo4j:5.20.052d3dec8d455
netty-codec-http2@4.1.109.Final
4.1.132.Final
2
nacos/nacos-server:v2.1.0dcf04549c6d7
netty-codec-http2@4.1.42.Final
4.1.132.Final
2
opensearchproject/opensearch:2.1.04254021a8c71
netty-codec-http2@4.1.73.Final
4.1.132.Final
2
opensearchproject/opensearch:2.18.07f6fa1efee8f
netty-codec-http2@4.1.108.Final
4.1.132.Final
2
opensearchproject/opensearch:1.1.0967d7f57f72f
netty-codec-http2@4.1.45.Final
4.1.132.Final
2
scorpiobroker/scorpio:RegistrySubscriptionManager_2.1.001e11d800459
netty-codec-http2@4.1.70.Final
4.1.132.Final
2
scorpiobroker/scorpio:eureka-server_2.1.03f05a113a4be
netty-codec-http2@4.1.70.Final
4.1.132.Final
2
scorpiobroker/scorpio:AtContextServer_2.1.05073ceef2fa0
netty-codec-http2@4.1.70.Final
4.1.132.Final
2
scorpiobroker/scorpio:gateway_2.1.062dae3dd0eeb
netty-codec-http2@4.1.70.Final
4.1.132.Final
2
scorpiobroker/scorpio:RegistryManager_2.1.0a2cfcf0947fd
netty-codec-http2@4.1.70.Final
4.1.132.Final
2
scorpiobroker/scorpio:QueryManager_2.1.0b742a53b2803
netty-codec-http2@4.1.70.Final
4.1.132.Final
2
scorpiobroker/scorpio:HistoryManager_2.1.0b7fe27a06ff5
netty-codec-http2@4.1.70.Final
4.1.132.Final
2
scorpiobroker/scorpio:SubscriptionManager_2.1.0e08036670d66
netty-codec-http2@4.1.70.Final
4.1.132.Final
2
scorpiobroker/scorpio:EntityManager_2.1.0f02e8a429a08
netty-codec-http2@4.1.70.Final
4.1.132.Final
2
ghcr.io/appscode/inbox-server:latest:postgres-latest536358d7b17e
netty-codec-http2@4.1.126.Final
4.1.132.Final
2
ghcr.io/flyteorg/flyte-connectors:py3.12-v2.3.6896fc7b18b1b
netty-codec-http2@4.2.7.Final
4.2.11.Final
2
ghcr.io/salaboy/fmtok8s-frontend:v0.1.103fd01b4f56e
netty-codec-http2@4.1.77.Final
4.1.132.Final
2
quay.io/keycloak/keycloak:26.1.4044a457e0498
netty-codec-http2@4.1.118.Final
4.1.132.Final
2
quay.io/keycloak/keycloak:20.0054ef67eb7da
netty-codec-http2@4.1.86.Final
4.1.132.Final
2
quay.io/strimzi/operator:0.39.002f6f143fc6d
netty-codec-http2@4.1.100.Final
4.1.132.Final
2
quay.io/strimzi/operator:0.46.0ac434a48ac2b
netty-codec-http2@4.1.118.Final
4.1.132.Final
2

syft 1.42.1 · advisories as of 14 Sept 2026

Corrections: contact@stackradar.io

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