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7.5 High

CVE-2026-33810 When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to…

Description

When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.

Affected products and versions

Product Affected versions Fixed in
crypto/x509 1.26 1.26.0-0 → < 1.26.2 1.26.2
Cryostat 4 on RHEL 9 4.1 earliest → < 4.1.1-7 4.1.1-7
Red Hat OpenStack Platform 17.1 Versions not published
Red Hat Enterprise Linux AppStream EUS (v. 10.0) Versions not published
Red Hat Enterprise Linux AppStream (v. 10) Versions not published
Red Hat Enterprise Linux AppStream EUS (v.9.4) Versions not published
Red Hat Enterprise Linux AppStream EUS (v.9.6) Versions not published
Red Hat Enterprise Linux AppStream (v. 9) Versions not published
HawtIO HawtIO 4.4.0 Versions not published
Show the 135 other branches
Product Affected versions Fixed in
Logging Subsystem for Red Hat OpenShift 6.0 1781192891 earliest → < 1781192891 1781192891
Logging Subsystem for Red Hat OpenShift 6.4 1780051640 earliest → < 1780051640 1780051640
Multicluster Global Hub 1.4.5 1779838819 earliest → < 1779838819 1779838819
Multicluster Global Hub 1.5.4 1779828691 earliest → < 1779828691 1779828691
Multicluster Global Hub 1.6.2 1780320809 earliest → < 1780320809 1780320809
OpenShift API for Data Protection 1.4 1779809598 earliest → < 1779809598 1779809598
OpenShift API for Data Protection 1.5 1779808027 earliest → < 1779808027 1779808027
OpenShift Compliance Operator 1 1781605005 earliest → < 1781605005 1781605005
Red Hat Ansible Automation Platform 2.6 1777391542 earliest → < 1777391542 1777391542
Red Hat Hardened Images 1.26 earliest → < 1.26.2-1.hum1 1.26.2-1.hum1
Red Hat Lightspeed (formerly Insights) for Runtimes 1 1.0 earliest → < 1.0.3-1779996197 1.0.3-1779996197
Red Hat OpenShift Builds 1.6.5 1776847666 earliest → < 1776847666 1776847666
Red Hat OpenShift Builds 1.7.3 1776846936 earliest → < 1776846936 1776846936
Red Hat OpenShift Dev Spaces 3.28 1779829736 earliest → < 1779829736 1779829736
Red Hat OpenShift distributed tracing 3.9.3 1776435680 earliest → < 1776435680 1776435680
Red Hat Trusted Artifact Signer 1.3 1780399582 earliest → < 1780399582 1780399582
Red Hat Web Terminal 1.11 1784296203 earliest → < 1784296203 1784296203
Red Hat Web Terminal 1.11 1780423339 earliest → < 1780423339 1780423339
Red Hat Web Terminal 1.12 1784247610 earliest → < 1784247610 1784247610
Red Hat Web Terminal 1.12 1780425077 earliest → < 1780425077 1780425077
Red Hat Web Terminal 1.13 1784296127 earliest → < 1784296127 1784296127
Red Hat Web Terminal 1.13 1780425080 earliest → < 1780425080 1780425080
Red Hat Web Terminal 1.14 1784296114 earliest → < 1784296114 1784296114
Red Hat Web Terminal 1.14 1780424928 earliest → < 1780424928 1780424928
Red Hat Web Terminal 1.15 1784296033 earliest → < 1784296033 1784296033
Red Hat Web Terminal 1.15 1780424829 earliest → < 1780424829 1780424829
Assisted Installer for Red Hat OpenShift Container Platform 2 Versions not published
cert-manager Operator for Red Hat OpenShift Versions not published
Confidential Compute Attestation Versions not published
Deployment Validation Operator Versions not published
Fence Agents Remediation Operator Versions not published
File Integrity Operator Versions not published
Gatekeeper 3 Versions not published
Logging Subsystem for Red Hat OpenShift Versions not published
Migration Toolkit for Applications 8 Versions not published
Migration Toolkit for Containers Versions not published
mirror registry for Red Hat OpenShift Versions not published
Multicluster Engine for Kubernetes Versions not published
Node HealthCheck Operator Versions not published
OpenShift Developer Tools and Services Versions not published
OpenShift Pipelines Versions not published
OpenShift Serverless Versions not published
Red Hat 3scale API Management Platform 2 Versions not published
Red Hat Certification Program for Red Hat Enterprise Linux 9 Versions not published
Red Hat Connectivity Link 1 Versions not published
Red Hat Edge Manager 1 Versions not published
Red Hat Enterprise Linux 10 Versions not published
Red Hat Enterprise Linux 7 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 Cluster Manager CLI 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 on AWS Versions not published
Red Hat OpenShift Virtualization 4 Versions not published
Red Hat OpenStack Platform 16.2 Versions not published
Red Hat OpenStack Platform 18.0 Versions not published
Red Hat Quay 3 Versions not published
Red Hat Satellite 6 Versions not published
Security Profiles Operator Versions not published
Custom Metric Autoscaler operator for Red Hat Openshift Versions not published
External Secrets Operator for Red Hat OpenShift Versions not published
ExternalDNS Operator Versions not published
Logical Volume Manager Storage Versions not published
Machine Deletion Remediation Operator Versions not published
mirror registry for Red Hat OpenShift 2 Versions not published
Network Observability Operator Versions not published
OpenShift Lightspeed Versions not published
OpenShift Service Mesh 2 Versions not published
OpenShift Service Mesh 3 Versions not published
Power monitoring for Red Hat OpenShift Versions not published
Red Hat Advanced Cluster Management for Kubernetes 2 Versions not published
Red Hat Advanced Cluster Security 4 Versions not published
Red Hat Ansible Automation Platform 2 Versions not published
Red Hat Developer Hub Versions not published
Red Hat OpenShift AI (RHOAI) Versions not published
Red Hat OpenShift for Windows Containers Versions not published
Red Hat Service Interconnect 1 Versions not published
Red Hat Service Interconnect 2 Versions not published
Service Telemetry Framework 1.5 Versions not published
streams for Apache Kafka 3 Versions not published
Zero Trust Workload Identity Manager Versions not published
Zero Trust Workload Identity Manager - Tech Preview Versions not published
Red Hat Satellite 6.19 for RHEL 9 Versions not published
Red Hat AI Inference Server Versions not published
RHEM 1.0 for RHEL 9 Versions not published
Red Hat Edge Manager 1.0 1783502438 earliest → < 1783502438 1783502438
Red Hat OpenShift Builds 1.7.4 1776846936 earliest → < 1776846936 1776846936
Red Hat Enterprise Linux 10.0 Extended Update Support Versions not published
Red Hat Enterprise Linux 9.4 Extended Update Support Versions not published
Red Hat Enterprise Linux 9.6 Extended Update Support Versions not published
Red Hat OpenStack Platform 17.1 for RHEL 9 Versions not published
Red Hat OpenStack Services on OpenShift 18.0 Versions not published
Red Hat Edge Manager 1.1 1784127736 earliest → < 1784127736 1784127736
Builds for Red Hat OpenShift 1.6.0 1776847666 earliest → < 1776847666 1776847666
Compliance Operator 1 1781605005 earliest → < 1781605005 1781605005
Red Hat Lightspeed (formerly Insights) for Runtimes 1.0 1.0 earliest → < 1.0.3-1779996197 1.0.3-1779996197
Red Hat multicluster global hub 1.4.3 1779838819 earliest → < 1779838819 1779838819
Red Hat OpenShift Builds 1.7.1 1776846936 earliest → < 1776846936 1776846936
Logging for Red Hat OpenShift 6.0 1781192891 earliest → < 1781192891 1781192891
Red Hat Migration Toolkit 1.8 1783914276 earliest → < 1783914276 1783914276
Red Hat multicluster global hub 1.5.2 1779828691 earliest → < 1779828691 1779828691
Red Hat OpenShift distributed tracing 3.9.1 1776435680 earliest → < 1776435680 1776435680
Multicluster Global Hub 1.5.6 1779828691 earliest → < 1779828691 1779828691
Multicluster Global Hub 1.6.4 1780320809 earliest → < 1780320809 1780320809
Logging for Red Hat OpenShift 6.4 1780051640 earliest → < 1780051640 1780051640
Logging Subsystem for Red Hat OpenShift 6 1781192891 earliest → < 1781192891 1781192891
Red Hat multicluster global hub 1.5.0 1779828691 earliest → < 1779828691 1779828691
Logging Subsystem for Red Hat OpenShift 6.2 1784747813 earliest → < 1784747813 1784747813
Logging for Red Hat OpenShift 6.2 1784747813 earliest → < 1784747813 1784747813
Red Hat multicluster global hub 1.4.4 1779838819 earliest → < 1779838819 1779838819
Red Hat multicluster global hub 1.6.0 1780320809 earliest → < 1780320809 1780320809
Red Hat OpenShift distributed tracing 3.9.2 1776435680 earliest → < 1776435680 1776435680
OpenShift API for Data Protection 1.3 1785180878 earliest → < 1785180878 1785180878
Multicluster Global Hub 1.5.7 1779828691 earliest → < 1779828691 1779828691
Multicluster Global Hub 1.6.5 1780320809 earliest → < 1780320809 1780320809
Red Hat multicluster global hub 1.4.2 1779838819 earliest → < 1779838819 1779838819
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 Enterprise Linux 9.4 Update Services for SAP Solutions Versions not published
Builds for Red Hat OpenShift 1.6.1 1776847666 earliest → < 1776847666 1776847666
Red Hat Migration Toolkit for Containers 1.8 1783914276 earliest → < 1783914276 1783914276
Red Hat multicluster global hub 1.5.1 1779828691 earliest → < 1779828691 1779828691
Red Hat OpenShift Builds 1.6.4 1776847666 earliest → < 1776847666 1776847666
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Versions not published
Red Hat multicluster global hub 1.5.3 1779828691 earliest → < 1779828691 1779828691
Logging for Red Hat OpenShift 6 1781192891 earliest → < 1781192891 1781192891
Red Hat OpenShift AI 2.25 1788232548 earliest → < 1788232548 1788232548
Red Hat Enterprise Linux 8.8 Telecommunications Update Service Versions not published
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Versions not published
RHEM 1.1 for RHEL 10 Versions not published
RHEM 1.1 for RHEL 9 Versions not published

References

Timeline

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