All vulnerabilities

Servers and applications

CVE-2023-0567

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.

Severity
Medium 6.2
Published
1 Mar 2023
Last changed
19 Jul 2026
Added to UpHeron
14 Oct 2026
Fixed in
8.0.28, 8.1.16, 8.2.3
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • From 8.0.0 before 8.0.28
  • From 8.1.0 before 8.1.16
  • From 8.2.0 before 8.2.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-0567
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-0567