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.

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Wed, 11 Mar 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-295
References
Metrics threat_severity

None

threat_severity

Moderate


Tue, 10 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 09 Mar 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Go Standard Library
Go Standard Library crypto Tls
Vendors & Products Go Standard Library
Go Standard Library crypto Tls

Fri, 06 Mar 2026 21:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Incorrect enforcement of email constraints in crypto/x509
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Go

Published:

Updated: 2026-03-10T13:32:53.202Z

Reserved: 2026-02-17T19:57:28.434Z

Link: CVE-2026-27137

cve-icon Vulnrichment

Updated: 2026-03-10T13:32:37.164Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-06T22:16:00.850

Modified: 2026-03-10T18:18:44.163

Link: CVE-2026-27137

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-03-06T21:28:13Z

Links: CVE-2026-27137 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-03-09T10:06:46Z

Weaknesses