DEBIAN-CVE-2023-0567

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2023-0567
Published: 01 Mar 2023, 08:15
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

Overall Risk (default)
medium
25/100
CVSS Score
6.2 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

01 Mar 2023, 08:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Systems

  • debian•php7.4

    < 7.4.33-1+deb11u3

  • debian•php8.2

    < 8.2.4-1

References (1)