UBUNTU-CVE-2022-31630

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    UBUNTU-CVE-2022-31630

    Published: 31 Oct 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-31630
    Aliases:
    USN-5717-1

    Summary:

    Details: In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.

    References: https://ubuntu.com/security/CVE-2022-31630, https://github.com/php/php-src/commit/ac45ce85c8750a6fb9745093180674d029acc5bd, https://ubuntu.com/security/notices/USN-5717-1, https://www.cve.org/CVERecord?id=CVE-2022-31630

    Affected packages

    Package

    Name: php7.4

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7.4.3-4ubuntu2.15

    Affected versions

    7.4.3-4build1
    7.4.3-4build2
    7.4.3-4ubuntu1
    7.4.3-4ubuntu1.1
    7.4.3-4ubuntu2.2
    7.4.3-4ubuntu2.4
    7.4.3-4ubuntu2.5
    7.4.3-4ubuntu2.6
    7.4.3-4ubuntu2.7
    7.4.3-4ubuntu2.8
    7.4.3-4ubuntu2.9
    7.4.3-4ubuntu2.10
    7.4.3-4ubuntu2.11
    7.4.3-4ubuntu2.12
    7.4.3-4ubuntu2.13

    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