Name: CVE-2023-52892: Interpretation Conflict
Creator: Rapid7
Published: 2024-06-27T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2023-52892, CVSS 7.5, EPSS 0.00183

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.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade phpseclibUpgrade php-phpseclib3Upgrade php-phpseclib	May 15, 2025	Jun 27, 2024
Ubuntu	—	Upgrade php-phpseclib3 (Ubuntu Pro)Upgrade php-phpseclib (Ubuntu Pro)Upgrade php-seclib (Ubuntu Pro)Upgrade php-seclib	Apr 3, 2025	Jun 27, 2024

Prioritize with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence