UBUNTU-CVE-2022-4900

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    UBUNTU-CVE-2022-4900

    Published: 2 Nov 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-4900

    Summary:

    Details: A vulnerability was found in PHP where setting the environment variable PHP_CLI_SERVER_WORKERS to a large value leads to a heap buffer overflow.

    References: https://ubuntu.com/security/CVE-2022-4900, https://access.redhat.com/security/cve/CVE-2022-4900, https://www.cve.org/CVERecord?id=CVE-2022-4900, https://ubuntu.com/security/notices/USN-6757-1, https://ubuntu.com/security/notices/USN-6757-2

    Affected packages

    Package

    Name: php7.4

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7.4.3-4ubuntu2.22

    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
    7.4.3-4ubuntu2.15
    7.4.3-4ubuntu2.16
    7.4.3-4ubuntu2.17
    7.4.3-4ubuntu2.18
    7.4.3-4ubuntu2.19
    7.4.3-4ubuntu2.20

    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
    UBUNTU-CVE-2022-4900 | CVE-DB