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    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.

    Published:Feb 15, 2023
    Last Modified:Jul 19, 2026
    EPS:Feb 16, 2023
    EPSS Score:0.00944
    CVSS Score:7.7

    Affected Products

    Vendor
    Php
    Product
    Php
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High