CVE-2022-31626

    Dashboard / Vulnerabilities / CVE-2022-31626

    CVE-2022-31626

    Published: 16 Jun 2022Last Modified: 12 Aug 2026

    Summary: mysqlnd/pdo password buffer overflow

    Details: In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.

    References: https://bugs.php.net/bug.php?id=81719, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31626.json, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T4MMEEZYYAEHPQMZDFN44PHORJWJFZQ/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZZTZQKRGEYJT5UB4FGG3MOE72SQUHSL4/, https://nvd.nist.gov/vuln/detail/CVE-2022-31626, https://security.gentoo.org/glsa/202209-20, https://security.netapp.com/advisory/ntap-20220722-0005/, https://www.debian.org/security/2022/dsa-5179, https://lists.debian.org/debian-lts-announce/2022/12/msg00030.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 3c7824e16ec4c3cee417262445d2c2b66531c10f
    Fixed -c94d7983d35736b710bf0689c5cb78d0396984d9

    Affected versions

    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
    CVE-2022-31626 | CVE-DB