In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.
History

Fri, 27 Feb 2026 03:15:00 +0000

Type Values Removed Values Added
First Time appeared Php Group
Php Group php
CPEs cpe:2.3:a:php_group:php:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:php_group:php:8.1.0:*:*:*:*:*:*:*
cpe:2.3:a:php_group:php:8.2.0:*:*:*:*:*:*:*
Vendors & Products Php Group
Php Group php
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 25 Feb 2026 16:45:00 +0000

Type Values Removed Values Added
Description In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.  In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.

cve-icon MITRE

Status: PUBLISHED

Assigner: php

Published: 2023-02-16T06:15:50.127Z

Updated: 2024-08-02T05:17:50.104Z

Reserved: 2023-01-29T07:45:55.380Z

Link: CVE-2023-0567

cve-icon Vulnrichment

Updated: 2024-08-02T05:17:50.104Z

cve-icon NVD

Status : Modified

Published: 2023-03-01T08:15:11.530

Modified: 2026-02-25T17:17:09.550

Link: CVE-2023-0567

cve-icon Redhat

Severity : Low

Publid Date: 2023-02-15T00:00:00Z

Links: CVE-2023-0567 - Bugzilla