StackRadar

CVE-2025-6442

Medium

Advisory

Published 25 Jun 2025In the index since 6 Sept 2026
Severity
Medium
worst across findings
CVSS
6.5
base score, highest
EPSS
0.004
37th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
58
of 17,781 indexed, latest versions
Container images
65
deployed by those charts
Fix available
4 of 4
affected packages

Ruby WEBrick read_headers method can lead to HTTP Request/Response Smuggling

Carried by container images the latest versions of 58 of 17,781 indexed charts deploy, on 65 images.

Affected packageAffected versionsFixed inImages
webrickgem1.4.2, 1.4.4, 1.6.0, 1.6.1+2 more1.8.263
ruby2.7deb2.7.0-5ubuntu1.4, 2.7.0-5ubuntu1.5, 2.7.0-5ubuntu1.82.7.0-5ubuntu1.18+esm36
ruby-webrickdeb1.7.0-3, 1.7.0-3ubuntu0.1, 1.8.1-11.7.0-3ubuntu0.23
ruby2.3deb2.3.1-2~16.04.52.3.1-2~ubuntu16.04.16+esm112
OSV records
DEBIAN-CVE-2025-6442GHSA-r995-q44h-hr64UBUNTU-CVE-2025-6442
Also known as
USN-7709-1, USN-7840-1

Charts affected

58 by stars
ChartLatestAffected imagesRadar Score
bookinforgnu1.0.01 of 7See more

bookinfo rgnu 1.0.0

1 of the 7 container images this version deploys carry CVE-2025-6442.

Container imageDigestPackageFixed in
istio/examples-bookinfo-details-v1:1.14.04c3379923c8a
webrick@1.4.2
1.8.2

Open the chart page →

20,462
istio-bookinforgnu1.0.21 of 7See more

istio-bookinfo rgnu 1.0.2

1 of the 7 container images this version deploys carry CVE-2025-6442.

Container imageDigestPackageFixed in
istio/examples-bookinfo-details-v1:1.14.04c3379923c8a
webrick@1.4.2
1.8.2

Open the chart page →

20,462
coralogix-fluentdromholdings1.0.31 of 1See more

coralogix-fluentd romholdings 1.0.3

1 of the 1 container images this version deploys carry CVE-2025-6442.

Container imageDigestPackageFixed in
coralogixrepo/fluentd-coralogix-image:1.1.6b976e0412424
webrick@1.4.2
1.8.2

Open the chart page →

750
fluentdslamdev0.0.61 of 1See more

fluentd slamdev 0.0.6

1 of the 1 container images this version deploys carry CVE-2025-6442.

Container imageDigestPackageFixed in
fluent/fluentd-kubernetes-daemonset:v1.11.5-debian-forward-1.00717111a3362
webrick@1.4.2
1.8.2

Open the chart page →

1,384
fluentd-operatorstatcan0.5.11 of 1See more

fluentd-operator statcan 0.5.1

1 of the 1 container images this version deploys carry CVE-2025-6442.

Container imageDigestPackageFixed in
vmware/kube-fluentd-operator:latestf028c138a5f4
webrick@1.8.1
1.8.2

Open the chart page →

1,955
velero-notificationsvelero-notifications1.1.01 of 1See more

velero-notifications velero-notifications 1.1.0

1 of the 1 container images this version deploys carry CVE-2025-6442.

Container imageDigestPackageFixed in
ghcr.io/simoncaron/velero-notifications:1.0.0d058963d4de7
webrick@1.6.1
1.8.2

Open the chart page →

1,285
kongwallarmVerified publisher4.6.32 of 7See more

kong wallarm 4.6.3

2 of the 7 container images this version deploys carry CVE-2025-6442.

Container imageDigestPackageFixed in
wallarm/ingress-ruby:4.6.0-1aecdb35c4def
webrick@1.6.1
1.8.2
wallarm/kong:3.1.0-ubuntu-4.6.0ea9608c82e40
ruby2.7@2.7.0-5ubuntu1.8
webrick@1.6.0
2.7.0-5ubuntu1.18+esm3
1.8.2

Open the chart page →

11,405
kong-previewwallarmVerified publisher4.2.31 of 5See more

kong-preview wallarm 4.2.3

1 of the 5 container images this version deploys carry CVE-2025-6442.

Container imageDigestPackageFixed in
wallarm/ingress-ruby:4.2.1-195ea2632326c
webrick@1.6.1
1.8.2

Open the chart page →

2,905

Container images carrying it

65 by charts deploying them

A fixed version is listed for 4 of the 4 affected packages.

Container imageDigestPackageFixed inUsed by
ghcr.io/cloudfoundry-incubator/quarks-secret:v1.0.754f059af4de8ed
webrick@1.4.2
1.8.2
1
ghcr.io/cloudfoundry-incubator/quarks-statefulset:v0.0.1304-g4b4f2ac5c7c70b527255
webrick@1.4.2
1.8.2
1
ghcr.io/cloudfoundry-incubator/quarks-statefulset:v0.0.1308-g6a8b2220e24a9e0a21b6
webrick@1.4.2
1.8.2
1
ghcr.io/g0dscookie/icinga2:2.13.5da81246ccfc9
webrick@1.6.1
1.8.2
1
ghcr.io/kvaps/opennebula:v5.12.0.4-1e28e0e7de11b
ruby2.7@2.7.0-5ubuntu1.5
webrick@1.6.0
2.7.0-5ubuntu1.18+esm3
1.8.2
1
ghcr.io/kvaps/opennebula-exporter:v5.12.0.401563adc95fd
ruby2.7@2.7.0-5ubuntu1.4
webrick@1.6.0
2.7.0-5ubuntu1.18+esm3
1.8.2
1
ghcr.io/kvaps/opennebula-exporter:v5.12.0.4-12b92df1143b9
ruby2.7@2.7.0-5ubuntu1.5
webrick@1.6.0
2.7.0-5ubuntu1.18+esm3
1.8.2
1
ghcr.io/kvaps/opennebula-flow:v5.12.0.4-1600221f0f43f
ruby2.7@2.7.0-5ubuntu1.5
webrick@1.6.0
2.7.0-5ubuntu1.18+esm3
1.8.2
1
ghcr.io/kvaps/opennebula-gate:v5.12.0.4-1a85e03d8bc1d
ruby2.7@2.7.0-5ubuntu1.5
webrick@1.6.0
2.7.0-5ubuntu1.18+esm3
1.8.2
1
ghcr.io/simoncaron/velero-notifications:1.0.0d058963d4de7
webrick@1.6.1
1.8.2
1
ghcr.io/voxpupuli/container-puppetdb:7.18.0-v1.5.0a56dfe91f5b1
webrick@1.6.1
1.8.2
1
ghcr.io/voxpupuli/container-puppetserver:7.17.0-v1.5.0916746209ac5
ruby-webrick@1.7.0-3
webrick@1.6.1
1.7.0-3ubuntu0.2
1.8.2
1
ghcr.io/voxpupuli/puppetserver:8.7.0-main63873f3f698e
ruby-webrick@1.7.0-3ubuntu0.1
webrick@1.7.0
1.7.0-3ubuntu0.2
1.8.2
1
quay.io/fairwinds/yelb-appserver:v0.6.0fae21f06131f
webrick@1.6.1
1.8.2
1
quay.io/fluentd_elasticsearch/fluentd:v4.2.399079df58561
webrick@1.7.0
1.8.2
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.