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9.1 Critical

CVE-2026-42508 Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation

Description

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

Affected products and versions

Product Affected versions Fixed in
golang.org/x/crypto/ssh/knownhosts 0.52 earliest → < 0.52.0 0.52.0
Red Hat Hardened Images 1.26 earliest → < 1.26.4-2.hum1 1.26.4-2.hum1
Assisted Installer for Red Hat OpenShift Container Platform 2 Versions not published
Builds for Red Hat OpenShift Versions not published
External Secrets Operator for Red Hat OpenShift Versions not published
Multicluster Engine for Kubernetes Versions not published
OpenShift API for Data Protection Versions not published
OpenShift Serverless Versions not published
Red Hat Advanced Cluster Management for Kubernetes 2 Versions not published
Show the 76 other branches
Product Affected versions Fixed in
Red Hat Advanced Cluster Security 4 Versions not published
Red Hat Ceph Storage 9 Versions not published
Red Hat Edge Manager 1 Versions not published
Red Hat Enterprise Linux 10 Versions not published
Red Hat Enterprise Linux 8 Versions not published
Red Hat Enterprise Linux 9 Versions not published
Red Hat Enterprise Linux AI (RHEL AI) 3 Versions not published
Red Hat OpenShift AI (RHOAI) Versions not published
Red Hat OpenShift Container Platform 4 Versions not published
Red Hat Openshift Data Foundation 4 Versions not published
Red Hat OpenShift Dev Workspaces Operator Versions not published
Red Hat OpenShift GitOps Versions not published
Red Hat OpenShift Virtualization 4 Versions not published
Red Hat OpenStack Platform 16.2 Versions not published
Red Hat Quay 3 Versions not published
Red Hat Trusted Artifact Signer Versions not published
Red Hat OpenStack Platform 17.1 Versions not published
Red Hat OpenStack Platform 18.0 Versions not published
Red Hat Advanced Cluster Security for Kubernetes 4.10 1781686458 earliest → < 1781686458 1781686458
Red Hat Advanced Cluster Security for Kubernetes 4.9 1781686446 earliest → < 1781686446 1781686446
Red Hat Enterprise Linux AppStream (v. 8) Versions not published
Red Hat OpenShift Builds 1.7.4 1783057868 earliest → < 1783057868 1783057868
RHEM 1.0 for RHEL 9 Versions not published
Red Hat Enterprise Linux AppStream (v. 10) Versions not published
Red Hat Enterprise Linux AppStream (v. 9) Versions not published
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) Versions not published
DevWorkspace Operator 0.42 1782401674 earliest → < 1782401674 1782401674
Red Hat Edge Manager 1.0 1783502025 earliest → < 1783502025 1783502025
Red Hat Trusted Artifact Signer 1.4 4 earliest → < 4-1.4.2 4-1.4.2
Red Hat Openshift Data Foundation 4.22 1782934284 earliest → < 1782934284 1782934284
Red Hat Advanced Cluster Management for Kubernetes 2.11 1783813250 earliest → < 1783813250 1783813250
Red Hat Edge Manager 1.1 1784126780 earliest → < 1784126780 1784126780
Red Hat Quay 3.9 1784125838 earliest → < 1784125838 1784125838
RHEM 1.1 for RHEL 10 Versions not published
RHEM 1.1 for RHEL 9 Versions not published
Red Hat OpenShift Builds 1.8.1 1783612119 earliest → < 1783612119 1783612119
Red Hat Quay 3.10 1783750447 earliest → < 1783750447 1783750447
Red Hat Quay 3.16 1783955846 earliest → < 1783955846 1783955846
Red Hat Advanced Cluster Security 4.9 1781686446 earliest → < 1781686446 1781686446
Red Hat OpenShift Builds 1.7.1 1783057868 earliest → < 1783057868 1783057868
Red Hat Quay 3.1 1783750447 earliest → < 1783750447 1783750447
Red Hat Quay 3.12 1784353904 earliest → < 1784353904 1784353904
Red Hat Quay 3.12 1783751865 earliest → < 1783751865 1783751865
Red Hat Quay 3.15 1784351966 earliest → < 1784351966 1784351966
OpenShift API for Data Protection 1.6 1784058822 earliest → < 1784058822 1784058822
multicluster engine for Kubernetes 2.10 1784646026 earliest → < 1784646026 1784646026
Red Hat OpenShift Builds 1.8.0 1783612119 earliest → < 1783612119 1783612119
multicluster engine for Kubernetes 2.8 1784646786 earliest → < 1784646786 1784646786
Red Hat Advanced Cluster Management for Kubernetes 2.13 1784740143 earliest → < 1784740143 1784740143
Red Hat OpenShift Builds 1.7.3 1783057868 earliest → < 1783057868 1783057868
multicluster engine for Kubernetes 2.1 1784646026 earliest → < 1784646026 1784646026
Red Hat Enterprise Linux 8.8 Telecommunications Update Service 8080020260721142025.63 earliest → < 8080020260721142025.63b34585 8080020260721142025.63b34585
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 8080020260721142025.63 earliest → < 8080020260721142025.63b34585 8080020260721142025.63b34585
OpenShift API for Data Protection 1.3 1785177359 earliest → < 1785177359 1785177359
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 8060020260803064027 earliest → < 8060020260803064027.ad008a3a 8060020260803064027.ad008a3a
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 8060020260803064027 earliest → < 8060020260803064027.ad008a3a 8060020260803064027.ad008a3a
Red Hat OpenShift GitOps 1.19 1785149260 earliest → < 1785149260 1785149260
Red Hat OpenShift GitOps 1.20 1785211346 earliest → < 1785211346 1785211346
Red Hat Advanced Cluster Management for Kubernetes 2.16 1786456658 earliest → < 1786456658 1786456658
Red Hat OpenShift GitOps 1.2 1785211346 earliest → < 1785211346 1785211346
Red Hat Enterprise Linux AppStream AUS (v.8.6) Versions not published
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) Versions not published
Red Hat Enterprise Linux AppStream E4S (v.8.8) Versions not published
Red Hat Enterprise Linux AppStream TUS (v.8.8) Versions not published
multicluster engine for Kubernetes 2.11 1786912006 earliest → < 1786912006 1786912006
OpenShift API for Data Protection 1.4 1786946294 earliest → < 1786946294 1786946294
Red Hat OpenShift AI 3.4 1787001948 earliest → < 1787001948 1787001948
cert-manager Operator for Red Hat OpenShift Versions not published
ExternalDNS Operator Versions not published
Logging Subsystem for Red Hat OpenShift Versions not published
OpenShift Pipelines Versions not published
Cluster Observability Operator 1.5.2 1787593637 earliest → < 1787593637 1787593637
Cluster Observability Operator 1.5.0 1787593637 earliest → < 1787593637 1787593637
Red Hat OpenShift AI 2.25 1788181054 earliest → < 1788181054 1788181054
Logging Subsystem for Red Hat OpenShift 6.6 1788439505 earliest → < 1788439505 1788439505
OpenShift API for Data Protection 1.5 1788859896 earliest → < 1788859896 1788859896

References

Timeline

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