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CVE-2026-27137

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

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
Builds for Red Hat OpenShiftopenshift-builds/openshift-builds-waiters-rhel9Affected
cert-manager Operator for Red Hat OpenShiftcert-manager/jetstack-cert-manager-rhel9Affected
Compliance Operatorcompliance/openshift-compliance-operator-bundleAffected
Confidential Compute Attestationbuild-of-trustee/trustee-rhel9-operatorAffected
Confidential Compute Attestationopenshift-sandboxed-containers/osc-monitor-rhel9Affected
Cryostat 4cryostat/cryostat-storage-rhel9Affected
Custom Metric Autoscaler operator for Red Hat Openshiftcustom-metrics-autoscaler/custom-metrics-autoscaler-rhel9Affected
Deployment Validation Operatordvo/deployment-validation-rhel8-operatorAffected
ExternalDNS Operatoredo/external-dns-rhel8Affected

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

EPSS

Процентиль: 2%
0.00012
Низкий

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
20 дней 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
20 дней 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
13 дней назад

Incorrect enforcement of email constraints in crypto/x509

CVSS3: 7.5
debian
20 дней назад

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

CVSS3: 7.5
github
20 дней 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.

EPSS

Процентиль: 2%
0.00012
Низкий

7.5 High

CVSS3