StackRadar

CVE-2025-66506

High

Advisory

Published 5 Dec 2025In the index since 5 Sept 2026
Severity
High
worst across findings
CVSS
7.5
base score, highest
EPSS
0.002
11th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
19
of 17,781 indexed, latest versions
Container images
23
deployed by those charts
Fix available
1 of 1
affected package

Fulcio allocates excessive memory during token parsing

Carried by container images the latest versions of 19 of 17,781 indexed charts deploy, on 23 images.

Affected packageAffected versionsFixed inImages
github.com/sigstore/fulciogolangv0.1.1, v0.1.2-0.20220114150912-86a2036f9bc7, v0.6.0, v1.3.1+6 more1.8.323
OSV records
GHSA-f83f-xpx7-ffpw
Also known as
GO-2025-4193

Charts affected

19 by stars
ChartLatestAffected imagesRadar Score
artifact-hubartifact-hubVerified publisher1.23.01 of 7See more

artifact-hub artifact-hub 1.23.0

1 of the 7 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
artifacthub/tracker:v1.23.05368d21a6e5c
github.com/sigstore/fulcio@v1.7.1
1.8.3

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10,755
backstagerhdh-chartVerified publisher4.0.11 of 2See more

backstage rhdh-chart 4.0.1

1 of the 2 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
quay.io/rhdh/rhdh-hub-rhel9:latest0b26358f5793
github.com/sigstore/fulcio@v1.7.1
1.8.3

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1,339
k8s-image-swapperestahnVerified publisher1.11.01 of 2See more

k8s-image-swapper estahn 1.11.0

1 of the 2 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
ghcr.io/estahn/k8s-image-swapper:1.5.102f5be9cde5f9
github.com/sigstore/fulcio@v1.4.3
1.8.3

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1,981
fulciosigstoreVerified publisher2.11.11 of 6See more

fulcio sigstore 2.11.1

1 of the 6 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
ghcr.io/sigstore/scaffolding/createctconfig:v0.7.313a061734c5be
github.com/sigstore/fulcio@v1.7.1
1.8.3

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3,490
finops-stackcert-managerVerified publisher0.0.56 of 12See more

finops-stack cert-manager 0.0.5

6 of the 12 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
ghcr.io/kyverno/background-controller:v1.12.506ed5db6cd33
github.com/sigstore/fulcio@v1.4.3
1.8.3
ghcr.io/kyverno/cleanup-controller:v1.12.5b914032ef9ad
github.com/sigstore/fulcio@v1.4.3
1.8.3
ghcr.io/kyverno/kyverno:v1.12.5a61c7022abcf
github.com/sigstore/fulcio@v1.4.3
1.8.3
ghcr.io/kyverno/kyverno-cli:v1.12.5832a32779e6d
github.com/sigstore/fulcio@v1.4.3
1.8.3
ghcr.io/kyverno/kyvernopre:v1.12.563f7eaf5aa8a
github.com/sigstore/fulcio@v1.4.3
1.8.3
ghcr.io/kyverno/reports-controller:v1.12.5c62e3347611c
github.com/sigstore/fulcio@v1.4.3
1.8.3

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12,562
spirephilips-labsVerified publisher0.12.21 of 6See more

spire philips-labs 0.12.2

1 of the 6 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
ghcr.io/spiffe/spire-agent:1.6.062517726d0c4
github.com/sigstore/fulcio@v0.6.0
1.8.3

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7,236
cosignedsigstoreVerified publisher0.1.231 of 2See more

cosigned sigstore 0.1.23

1 of the 2 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
gcr.io/projectsigstore/cosigneddigest-pinned784518ff3ee7
github.com/sigstore/fulcio@v0.1.2-0.20220114150912-86a2036f9bc7
1.8.3

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5,118
scaffoldsigstoreVerified publisher0.6.1141 of 15See more

scaffold sigstore 0.6.114

1 of the 15 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
ghcr.io/sigstore/scaffolding/createctconfig:v0.7.313a061734c5be
github.com/sigstore/fulcio@v1.7.1
1.8.3

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7,710
pulsarcloudve0.2.01 of 2See more

pulsar cloudve 0.2.0

1 of the 2 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
galaxy/pulsar-kubernetes:0.15.7e50a890e24c9
github.com/sigstore/fulcio@v1.6.4
1.8.3

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6,162
kyvernodevopstalesVerified publisher2.5.12 of 2See more

kyverno devopstales 2.5.1

2 of the 2 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
ghcr.io/kyverno/kyverno:v1.7.19c73f1841ebc
github.com/sigstore/fulcio@v0.1.2-0.20220114150912-86a2036f9bc7
1.8.3
ghcr.io/kyverno/kyvernopre:v1.7.1185d2eebc60c
github.com/sigstore/fulcio@v0.1.2-0.20220114150912-86a2036f9bc7
1.8.3

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4,722
skopeo-syncfairwinds-incubator0.3.11 of 1See more

skopeo-sync fairwinds-incubator 0.3.1

1 of the 1 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
quay.io/skopeo/stable:v1.134853591bd1d2
github.com/sigstore/fulcio@v1.3.1
1.8.3

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1,736
fluxcd-helm-upgraderfluxcd-helm-upgraderVerified publisher0.7.71 of 1See more

fluxcd-helm-upgrader fluxcd-helm-upgrader 0.7.7

1 of the 1 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
kenchrcum/fluxcd-helm-upgrader:0.7.7c326e28a8f5f
github.com/sigstore/fulcio@v1.6.6
1.8.3

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2,420
agent-control-cdnewrelic1.0.01 of 3See more

agent-control-cd newrelic 1.0.0

1 of the 3 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
ghcr.io/fluxcd/source-controller:v1.5.000cd9316a379
github.com/sigstore/fulcio@v1.6.3
1.8.3

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5,034
redhat-trusted-application-pipelineopenshift1.0.21 of 2See more

redhat-trusted-application-pipeline openshift 1.0.2

1 of the 2 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
quay.io/redhat-appstudio/appstudio-utils:dbbdd82734232e6289e8fbae5b4c858481a7c0577b4202c25b67
github.com/sigstore/fulcio@v1.4.0
1.8.3

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8,599
rancher-auto-registerrancher-auto-registerVerified publisher0.1.01 of 1See more

rancher-auto-register rancher-auto-register 0.1.0

1 of the 1 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
registry.gitlab.com/xrow-public/ci-tools/tools:main9b9d1ed86b6a
github.com/sigstore/fulcio@v1.7.1
1.8.3

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1,837
sonatype-nexusredhat-cop1.1.131 of 2See more

sonatype-nexus redhat-cop 1.1.13

1 of the 2 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
quay.io/openshift/origin-jenkins-agent-base:latestc241c971aef8
github.com/sigstore/fulcio@v1.4.3
1.8.3

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16,047
stackrox-chartredhat-cop0.0.101 of 1See more

stackrox-chart redhat-cop 0.0.10

1 of the 1 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
quay.io/rht-labs/stack-do500:3.0.86ba82beff18e
github.com/sigstore/fulcio@v0.1.1
1.8.3

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29,227
ctlogsigstoreVerified publisher0.2.681 of 4See more

ctlog sigstore 0.2.68

1 of the 4 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
ghcr.io/sigstore/scaffolding/createctconfig:v0.7.313a061734c5be
github.com/sigstore/fulcio@v1.7.1
1.8.3

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2,728
devportalveecode-platform-nextVerified publisher0.1.211 of 1See more

devportal veecode-platform-next 0.1.21

1 of the 1 container images this version deploys carry CVE-2025-66506.

Container imageDigestPackageFixed in
veecode/devportaldigest-pinnedc443520aebf7
github.com/sigstore/fulcio@v1.7.1
1.8.3

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1,787

Container images carrying it

23 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
ghcr.io/sigstore/scaffolding/createctconfig:v0.7.313a061734c5be
github.com/sigstore/fulcio@v1.7.1
1.8.3
3
artifacthub/tracker:v1.23.05368d21a6e5c
github.com/sigstore/fulcio@v1.7.1
1.8.3
1
galaxy/pulsar-kubernetes:0.15.7e50a890e24c9
github.com/sigstore/fulcio@v1.6.4
1.8.3
1
kenchrcum/fluxcd-helm-upgrader:0.7.7c326e28a8f5f
github.com/sigstore/fulcio@v1.6.6
1.8.3
1
veecode/devportalc443520aebf7
github.com/sigstore/fulcio@v1.7.1
1.8.3
1
gcr.io/projectsigstore/cosigned784518ff3ee7
github.com/sigstore/fulcio@v0.1.2-0.20220114150912-86a2036f9bc7
1.8.3
1
ghcr.io/estahn/k8s-image-swapper:1.5.102f5be9cde5f9
github.com/sigstore/fulcio@v1.4.3
1.8.3
1
ghcr.io/fluxcd/source-controller:v1.5.000cd9316a379
github.com/sigstore/fulcio@v1.6.3
1.8.3
1
ghcr.io/kyverno/background-controller:v1.12.506ed5db6cd33
github.com/sigstore/fulcio@v1.4.3
1.8.3
1
ghcr.io/kyverno/cleanup-controller:v1.12.5b914032ef9ad
github.com/sigstore/fulcio@v1.4.3
1.8.3
1
ghcr.io/kyverno/kyverno:v1.7.19c73f1841ebc
github.com/sigstore/fulcio@v0.1.2-0.20220114150912-86a2036f9bc7
1.8.3
1
ghcr.io/kyverno/kyverno:v1.12.5a61c7022abcf
github.com/sigstore/fulcio@v1.4.3
1.8.3
1
ghcr.io/kyverno/kyverno-cli:v1.12.5832a32779e6d
github.com/sigstore/fulcio@v1.4.3
1.8.3
1
ghcr.io/kyverno/kyvernopre:v1.7.1185d2eebc60c
github.com/sigstore/fulcio@v0.1.2-0.20220114150912-86a2036f9bc7
1.8.3
1
ghcr.io/kyverno/kyvernopre:v1.12.563f7eaf5aa8a
github.com/sigstore/fulcio@v1.4.3
1.8.3
1
ghcr.io/kyverno/reports-controller:v1.12.5c62e3347611c
github.com/sigstore/fulcio@v1.4.3
1.8.3
1
ghcr.io/spiffe/spire-agent:1.6.062517726d0c4
github.com/sigstore/fulcio@v0.6.0
1.8.3
1
quay.io/openshift/origin-jenkins-agent-base:latestc241c971aef8
github.com/sigstore/fulcio@v1.4.3
1.8.3
1
quay.io/redhat-appstudio/appstudio-utils:dbbdd82734232e6289e8fbae5b4c858481a7c0577b4202c25b67
github.com/sigstore/fulcio@v1.4.0
1.8.3
1
quay.io/rhdh/rhdh-hub-rhel9:latest0b26358f5793
github.com/sigstore/fulcio@v1.7.1
1.8.3
1
quay.io/rht-labs/stack-do500:3.0.86ba82beff18e
github.com/sigstore/fulcio@v0.1.1
1.8.3
1
quay.io/skopeo/stable:v1.134853591bd1d2
github.com/sigstore/fulcio@v1.3.1
1.8.3
1
registry.gitlab.com/xrow-public/ci-tools/tools:main9b9d1ed86b6a
github.com/sigstore/fulcio@v1.7.1
1.8.3
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.