StackRadar

CVE-2026-56819

High

Advisory

Published 31 Jul 2026In the index since 5 Sept 2026
Severity
High
worst across findings
CVSS
7.5
base score, highest
EPSS
0.004
37th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
388
of 17,787 indexed, latest versions
Container images
452
deployed by those charts
Fix available
1 of 1
affected package

Netty: HTTP/2 decompression leaks ByteBuf reference count when the decompressor channel is already closed (Direct memory leak / OOM DoS)

Carried by container images the latest versions of 388 of 17,787 indexed charts deploy, on 452 images.

Affected packageAffected versionsFixed inImages
netty-codec-http2maven4.1.12.Final, 4.1.19.Final, 4.1.22.Final, 4.1.24.Final+82 more4.1.136.Final, 4.2.16.Final452
OSV records
GHSA-93wv-jw9v-4972

Charts affected

388 by stars
ChartLatestAffected imagesRadar Score
pulsarolehrgfVerified publisher0.0.51 of 2See more

pulsar olehrgf 0.0.5

1 of the 2 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
apachepulsar/pulsar:3.1.016f9fdab3fa6
netty-codec-http2@4.1.94.Final
4.1.136.Final

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9,059
apicurioone-acre-fundVerified publisher2.3.03 of 5See more

apicurio one-acre-fund 2.3.0

3 of the 5 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
apicurio/apicurio-studio-api:0.2.62.Final302d202ed149
netty-codec-http2@4.1.86.Final
4.1.136.Final
apicurio/apicurio-studio-ui:0.2.62.Final349c845270c2
netty-codec-http2@4.1.86.Final
4.1.136.Final
apicurio/apicurio-studio-ws:0.2.62.Final27a91978a388
netty-codec-http2@4.1.86.Final
4.1.136.Final

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18,666
raspberrymaticopenccuVerified publisher3.83.61 of 1See more

raspberrymatic openccu 3.83.6

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
ghcr.io/jens-maus/raspberrymatic:3.83.6.202508244b22b4f407c4
netty-codec-http2@4.1.67.Final
4.1.136.Final

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2,421
mockserveropen-charts1.1.01 of 1See more

mockserver open-charts 1.1.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
mockserver/mockserver:5.15.00f9ef78c9489
netty-codec-http2@4.1.86.Final
4.1.136.Final

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1,257
cdn-remoteopencord0.2.41 of 3See more

cdn-remote opencord 0.2.4

1 of the 3 container images this version deploys carry CVE-2026-56819.

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

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63,277
onosopencord3.0.21 of 1See more

onos opencord 3.0.2

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
onosproject/onos:2.2.144914a8d4b3f
netty-codec-http2@4.1.35.Final
4.1.136.Final

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12,939
voltha-infraopencord2.14.02 of 10See more

voltha-infra opencord 2.14.0

2 of the 10 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
atomix/atomix:3.1.127738ff4f5c63
netty-codec-http2@4.1.27.Final
4.1.136.Final
voltha/voltha-onos:5.1.8e038acb950d3
netty-codec-http2@4.1.35.Final
4.1.136.Final

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41,088
fineractopenshift0.1.11 of 4See more

fineract openshift 0.1.1

1 of the 4 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
apache/fineract:1.12.1a83cf1980609
netty-codec-http2@4.1.119.Final
4.1.136.Final

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7,848
smsf-configurationopenshift1.0.41 of 1See more

smsf-configuration openshift 1.0.4

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
gurolakman/smsf-configuration:1.0.49abb3882bcbd
netty-codec-http2@4.1.75.Final
4.1.136.Final

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13,608
smsf-dispatcheropenshift1.0.41 of 1See more

smsf-dispatcher openshift 1.0.4

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
gurolakman/smsf-dispatcher:1.0.46537e8ed8de8
netty-codec-http2@4.1.75.Final
4.1.136.Final

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11,740
smsf-momtopenshift1.0.41 of 1See more

smsf-momt openshift 1.0.4

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
gurolakman/smsf-momt:1.0.4ce23b20a8a17
netty-codec-http2@4.1.75.Final
4.1.136.Final

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13,570
smsf-registrationopenshift1.0.41 of 1See more

smsf-registration openshift 1.0.4

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
gurolakman/smsf-registration:1.0.4b22e746edd5d
netty-codec-http2@4.1.75.Final
4.1.136.Final

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13,553
ussigw-configurationopenshift1.0.41 of 1See more

ussigw-configuration openshift 1.0.4

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
gurolakman/ussigw-configuration:1.0.4bf18525c5ad9
netty-codec-http2@4.1.75.Final
4.1.136.Final

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13,457
ussigw-coreopenshift1.0.41 of 1See more

ussigw-core openshift 1.0.4

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
gurolakman/ussigw-core:1.0.48739565c3ea2
netty-codec-http2@4.1.75.Final
4.1.136.Final

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13,101
openshift-integration-operatoropenshift-integration-operatorVerified publisher0.8.21 of 2See more

openshift-integration-operator openshift-integration-operator 0.8.2

1 of the 2 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/maximilianopizarro/openshift-integration-operator:v0.8.2d6fc43ac802e
netty-codec-http2@4.1.133.Final
4.1.136.Final

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2,063
openwhiskopenwhisk1.0.01 of 10See more

openwhisk openwhisk 1.0.0

1 of the 10 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
openwhisk/invoker:1.0.0f5831ec85525
netty-codec-http2@4.1.45.Final
4.1.136.Final

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36,230
trinoopstty0.2.141 of 1See more

trino opstty 0.2.14

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
trinodb/trino:4815b5e0a97f599
netty-codec-http2@4.2.12.Final
4.2.16.Final

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1,158
dfdeweyosdfir-infrastructureVerified publisher1.0.01 of 3See more

dfdewey osdfir-infrastructure 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
opensearchproject/opensearch:2.12.0645d3d9390ad
netty-codec-http2@4.1.106.Final
4.1.136.Final

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1,190
osdfir-infrastructureosdfir-infrastructureVerified publisher2.15.01 of 40See more

osdfir-infrastructure osdfir-infrastructure 2.15.0

1 of the 40 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
opensearchproject/opensearch:3.1.0474ea3fdf25d
netty-codec-http2@4.1.121.Final
4.1.136.Final

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72,154
timesketchosdfir-infrastructureVerified publisher1.0.81 of 6See more

timesketch osdfir-infrastructure 1.0.8

1 of the 6 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
opensearchproject/opensearch:2.14.0466a49f379bb
netty-codec-http2@4.1.109.Final
4.1.136.Final

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1,754
p4p40.1.03 of 7See more

p4 p4 0.1.0

3 of the 7 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
codeurjc/toposervice:v1.239fb4c11e6a49
netty-codec-http2@4.1.85.Final
4.1.136.Final
mastercloudapps/planner:v1.2340a950b311b2
netty-codec-http2@4.1.70.Final
4.1.136.Final
mastercloudapps/server:v2.23f3d24dfe2686
netty-codec-http2@4.1.82.Final
4.1.136.Final

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27,667
myappp4-helm0.1.01 of 6See more

myapp p4-helm 0.1.0

1 of the 6 container images this version deploys carry CVE-2026-56819.

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

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19,725
keycloakpascaliskeVerified publisher0.2.01 of 1See more

keycloak pascaliske 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:26.0.74388e2379b7e
netty-codec-http2@4.1.111.Final
4.1.136.Final

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2,097
Practica_4_helmpr04helm0.1.03 of 7See more

Practica_4_helm pr04helm 0.1.0

3 of the 7 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
codeurjc/server:v1.0310bea5b1ee7
netty-codec-http2@4.1.82.Final
4.1.136.Final
codeurjc/toposervice:v1.09fb4c11e6a49
netty-codec-http2@4.1.85.Final
4.1.136.Final
pcarrascoponce/planner:v1.0981fc482442c
netty-codec-http2@4.1.70.Final
4.1.136.Final

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27,649
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-2026-56819.

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

Open the chart page →

28,495
trinopresto-loadbalancer0.2.101 of 2See more

trino presto-loadbalancer 0.2.10

1 of the 2 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
trinodb/trino:4796af989b0846d
netty-codec-http2@4.2.7.Final
4.2.16.Final

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2,264
punchline-javapunchplatform8.1.11 of 1See more

punchline-java punchplatform 8.1.1

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
ghcr.io/punchplatform/punchline-java:8.1.1d46ce7b96482
netty-codec-http2@4.1.82.Final
4.1.136.Final

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1,995
rada-platformrada-platform0.1.02 of 7See more

rada-platform rada-platform 0.1.0

2 of the 7 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
trinodb/trino:45038c6f24ab1a4
netty-codec-http2@4.1.87.Final
4.1.136.Final
ghcr.io/projectnessie/nessie:0.92.19efe3c74d55f
netty-codec-http2@4.1.108.Final
4.1.136.Final

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20,812
mockserverradar-baseVerified publisher5.15.01 of 1See more

mockserver radar-base 5.15.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
mockserver/mockserver:mockserver-5.15.00f9ef78c9489
netty-codec-http2@4.1.86.Final
4.1.136.Final

Open the chart page →

1,257
radar-cp-ksql-serverradar-baseVerified publisher0.0.21 of 2See more

radar-cp-ksql-server radar-base 0.0.2

1 of the 2 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
confluentinc/cp-ksqldb-server:7.6.08ec46c27982f
netty-codec-http2@4.1.100.Final
4.1.136.Final

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5,269
radar-kafkaradar-baseVerified publisher0.4.11 of 2See more

radar-kafka radar-base 0.4.1

1 of the 2 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/strimzi/operator:0.46.0ac434a48ac2b
netty-codec-http2@4.1.118.Final
4.1.136.Final

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4,236
radar-mockserverradar-baseVerified publisher0.1.31 of 1See more

radar-mockserver radar-base 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
mockserver/mockserver:mockserver-5.15.00f9ef78c9489
netty-codec-http2@4.1.86.Final
4.1.136.Final

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1,257
radar-outputradar-baseVerified publisher1.2.101 of 1See more

radar-output radar-base 1.2.10

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
ghcr.io/radar-base/radar-output-restructure/radar-output-restructure:3.0.67fb9c70e96a4
netty-codec-http2@4.2.10.Final
4.2.16.Final

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2,504
strimzi-kafka-operatorradar-baseVerified publisher0.46.01 of 1See more

strimzi-kafka-operator radar-base 0.46.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/strimzi/operator:0.46.0ac434a48ac2b
netty-codec-http2@4.1.118.Final
4.1.136.Final

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1,968
authentication-serviceredestroyder0.2.21 of 1See more

authentication-service redestroyder 0.2.2

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
redestroyder/authorization-service:0.0.1740364a619fd
netty-codec-http2@4.1.73.Final
4.1.136.Final

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2,583
business-serviceredestroyder0.2.11 of 1See more

business-service redestroyder 0.2.1

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
redestroyder/business-service:0.0.1db03499a0726
netty-codec-http2@4.1.73.Final
4.1.136.Final

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2,600
routr-connectroutr0.4.32 of 10See more

routr-connect routr 0.4.3

2 of the 10 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
fonoster/routr-edgeport:2.13.6d08a8a574a50
netty-codec-http2@4.1.79.Final
4.1.136.Final
fonoster/routr-requester:2.13.6e0c823506eb2
netty-codec-http2@4.1.79.Final
4.1.136.Final

Open the chart page →

11,021
komgarubxkubeVerified publisher0.1.31 of 1See more

komga rubxkube 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
gotson/komga:1.26.36c2a967bbe9a
netty-codec-http2@4.1.135.Final
4.1.136.Final

Open the chart page →

2,300
stirling-pdfrubxkubeVerified publisher0.1.21 of 1See more

stirling-pdf rubxkube 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
ghcr.io/stirling-tools/stirling-pdf:2.14.33b3670fce70b
netty-codec-http2@4.2.12.Final
4.2.16.Final

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6,293
nacossaber0.1.111 of 1See more

nacos saber 0.1.11

1 of the 1 container images this version deploys carry CVE-2026-56819.

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

Open the chart page →

3,978
fmtok8s-conference-chartsalaboy0.1.41 of 6See more

fmtok8s-conference-chart salaboy 0.1.4

1 of the 6 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
ghcr.io/salaboy/fmtok8s-frontend:v0.1.103fd01b4f56e
netty-codec-http2@4.1.77.Final
4.1.136.Final

Open the chart page →

16,159
fmtok8s-frontendsalaboy0.1.31 of 1See more

fmtok8s-frontend salaboy 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
ghcr.io/salaboy/fmtok8s-frontend:v0.1.103fd01b4f56e
netty-codec-http2@4.1.77.Final
4.1.136.Final

Open the chart page →

8,073
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-2026-56819.

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

Open the chart page →

2,847
kafkasb-helm-charts0.3.01 of 2See more

kafka sb-helm-charts 0.3.0

1 of the 2 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
provectuslabs/kafka-ui:latest8f2ff02d64b0
netty-codec-http2@4.1.97.Final
4.1.136.Final

Open the chart page →

1,597
keycloaksb-helm-charts0.3.01 of 2See more

keycloak sb-helm-charts 0.3.0

1 of the 2 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:26.0.6a93d22e13b86
netty-codec-http2@4.1.111.Final
4.1.136.Final

Open the chart page →

2,591
photonschichtelVerified publisher0.2.01 of 1See more

photon schichtel 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
rtuszik/photon-docker:2.4.021549c60f9e6
netty-codec-http2@4.2.15.Final
4.2.16.Final

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2,865
seataseataVerified publisher0.1.01 of 1See more

seata seata 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
seataio/seata-server:latest703b5de7f1a6
netty-codec-http2@4.1.101.Final
4.1.136.Final

Open the chart page →

4,245
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-2026-56819.

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

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8,098
keycloakself-hosters-by-nightVerified publisher0.1.11 of 1See more

keycloak self-hosters-by-night 0.1.1

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:26.60aae0de7fca8
netty-codec-http2@4.1.135.Final
4.1.136.Final

Open the chart page →

519
shenyushenyu0.6.32 of 2See more

shenyu shenyu 0.6.3

2 of the 2 container images this version deploys carry CVE-2026-56819.

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

Open the chart page →

8,804

Container images carrying it

452 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
quay.io/strimzi/operator:0.36.1e9e03b31007c
netty-codec-http2@4.1.94.Final
4.1.136.Final
1
quay.io/wi_stefan/dss-validation-service:0.0.18e928db29ee1
netty-codec-http2@4.1.115.Final
4.1.136.Final
1

syft 1.42.1 · advisories as of 15 Sept 2026

Corrections: contact@stackradar.io

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