UBUNTU-CVE-2022-22707

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    UBUNTU-CVE-2022-22707

    Published: 6 Jan 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-22707
    Aliases:
    USN-5903-1

    Summary:

    Details: In lighttpd 1.4.46 through 1.4.63, the mod_extforward_Forwarded function of the mod_extforward plugin has a stack-based buffer overflow (4 bytes representing -1), as demonstrated by remote denial of service (daemon crash) in a non-default configuration. The non-default configuration requires handling of the Forwarded header in a somewhat unusual manner. Also, a 32-bit system is much more likely to be affected than a 64-bit system.

    References: https://ubuntu.com/security/CVE-2022-22707, https://redmine.lighttpd.net/issues/3134, https://ubuntu.com/security/notices/USN-5903-1, https://www.cve.org/CVERecord?id=CVE-2022-22707

    Affected packages

    Package

    Name: lighttpd

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.4.55-1ubuntu1.20.04.2

    Affected versions

    1.4.53-4ubuntu2
    1.4.54-2ubuntu1
    1.4.55-1ubuntu1
    1.4.55-1ubuntu1.20.04.1

    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-2022-22707 | CVE-DB