openSUSE-SU-2021:4136-1

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    openSUSE-SU-2021:4136-1

    Published: 21 Dec 2021Last Modified: 4 Feb 2026

    Summary: Security update for xorg-x11-server

    Details: This update for xorg-x11-server fixes the following issues: - CVE-2021-4009: The handler for the CreatePointerBarrier request of the XFixes extension does not properly validate the request length leading to out of bounds memory write. (bsc#1190487) - CVE-2021-4010: The handler for the Suspend request of the Screen Saver extension does not properly validate the request length leading to out of bounds memory write. (bsc#1190488) - CVE-2021-4011: The handlers for the RecordCreateContext and RecordRegisterClients requests of the Record extension do not properly validate the request length leading to out of bounds memory write. (bsc#1190489)

    References: https://lists.opensuse.org/archives/list/[email protected]/thread/UZYVYA6ZP6W2WXZYY7EDCELC7CJ7FSVU/, https://bugzilla.suse.com/1190487, https://bugzilla.suse.com/1190488, https://bugzilla.suse.com/1190489, https://www.suse.com/security/cve/CVE-2021-4009, https://www.suse.com/security/cve/CVE-2021-4010, https://www.suse.com/security/cve/CVE-2021-4011

    Affected packages

    Package

    Name: xorg-x11-server

    Purl: pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2015.3

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.20.3-22.5.42.1

    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
    openSUSE-SU-2021:4136-1 | CVE-DB