HIGH 7.7 Microsoft

CVE-2023-0567

password_verify() always returns true for some invalid hashes

Microsoft Security Update 2026-Aug: password_verify() always returns true for some invalid hashes

Affected Products

azl3 php 8.3.19-1 on Azure Linux 3.0
cbl2 php 8.1.16-1 on CBL Mariner 2.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-0567
https://nvd.nist.gov/vuln/detail/CVE-2023-0567

Published: 2026-08-06 · Source: Microsoft · Feed updated: 2026-08-11

This high severity vulnerability with a CVSS score of 7.7 was published on 2026-08-06 via Microsoft. Affected: azl3 php 8.3.19-1 on Azure Linux 3.0, cbl2 php 8.1.16-1 on CBL Mariner 2.0.

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