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CVE-2026-27137

Опубликовано: 06 мар. 2026
Источник: redhat
CVSS3: 7.5

Описание

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.

A certificate validation flaw has been discovered in the golang crypto/x509 module. When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Assisted Installer for Red Hat OpenShift Container Platform 2rhai/assisted-installer-rhel9Affected
cert-manager Operator for Red Hat OpenShiftcert-manager/jetstack-cert-manager-rhel9Not affected
Compliance Operatorcompliance/openshift-compliance-operator-bundleNot affected
Confidential Compute Attestationbuild-of-trustee/trustee-rhel9-operatorAffected
Confidential Compute Attestationopenshift-sandboxed-containers/osc-monitor-rhel9Affected
Cryostat 4cryostat/cryostat-storage-rhel9Not affected
Custom Metric Autoscaler operator for Red Hat Openshiftcustom-metrics-autoscaler/custom-metrics-autoscaler-rhel9Not affected
Deployment Validation Operatordvo/deployment-validation-rhel8-operatorAffected
ExternalDNS Operatoredo/external-dns-rhel8Affected
ExternalDNS Operatoredo/external-dns-rhel9Affected

Показывать по

Дополнительная информация

Статус:

Important
Дефект:
CWE-295
https://bugzilla.redhat.com/show_bug.cgi?id=2445345crypto/x509: Incorrect enforcement of email constraints in crypto/x509

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
4 месяца назад

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.

CVSS3: 7.5
nvd
4 месяца назад

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.

CVSS3: 5.9
msrc
4 месяца назад

Incorrect enforcement of email constraints in crypto/x509

CVSS3: 7.5
debian
4 месяца назад

When verifying a certificate chain which contains a certificate contai ...

CVSS3: 7.5
github
4 месяца назад

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.

7.5 High

CVSS3