In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification.

Subscriptions

Vendors Products
Phpseclib Subscribe
Phpseclib Subscribe

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Github GHSA Github GHSA GHSA-ff7q-6vwh-v9m4 Name confusion in x509 Subject Alternative Name fields
Ubuntu USN Ubuntu USN USN-7404-1 phpseclib vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 26 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 22 Oct 2025 20:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00154}

epss

{'score': 0.00125}


Wed, 21 Aug 2024 21:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-436
Metrics cvssV3_1

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


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-21T20:02:23.834Z

Reserved: 2024-06-27T00:00:00.000Z

Link: CVE-2023-52892

cve-icon Vulnrichment

Updated: 2024-08-02T23:18:41.296Z

cve-icon NVD

Status : Analyzed

Published: 2024-06-27T22:15:10.277

Modified: 2025-10-22T20:40:45.620

Link: CVE-2023-52892

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-12T22:44:30Z

Weaknesses