UBUNTU-CVE-2024-21885

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    UBUNTU-CVE-2024-21885

    Published: 16 Jan 2024Last Modified: 22 Apr 2026
    Upstream:
    CVE-2024-21885

    Summary:

    Details: A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may lead to an application crash or remote code execution in SSH X11 forwarding environments.

    References: https://ubuntu.com/security/CVE-2024-21885, https://ubuntu.com/security/notices/USN-6587-1, https://ubuntu.com/security/notices/USN-6587-2, https://ubuntu.com/security/notices/USN-6587-5, https://www.cve.org/CVERecord?id=CVE-2024-21885

    Affected packages

    Package

    Name: xorg-server

    Purl: pkg:deb/ubuntu/xorg-server@2:1.15.1-0ubuntu2.11+esm9?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:1.15.1-0ubuntu2.11+esm9

    Affected versions

    2:1.14.3-3ubuntu2
    2:1.14.3-3ubuntu3
    2:1.14.3-3ubuntu4
    2:1.14.3-5ubuntu1
    2:1.14.4-1ubuntu1
    2:1.14.4-1ubuntu2
    2:1.14.4.901-0ubuntu2
    2:1.14.5-1ubuntu2
    2:1.14.5-1ubuntu4

    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-2024-21885 | CVE-DB