MGASA-2020-0456

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    MGASA-2020-0456

    Published: 17 Dec 2020Last Modified: 16 Apr 2026

    Summary: Updated x11-server packages fix security vulnerabilities

    Details: A flaw was found in the X.Org Server. An out-of-bounds access in the XkbSetMap function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability (CVE-2020-14360). A flaw was found in xorg-x11-server. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability (CVE-2020-25712). The x11-server package has been updated to version 1.20.10, fixing these issues and other bugs.

    References: https://advisories.mageia.org/MGASA-2020-0456.html, https://bugs.mageia.org/show_bug.cgi?id=27701, https://lists.x.org/archives/xorg-announce/2020-December/003066.html, https://lists.x.org/archives/xorg-announce/2020-December/003067.html, https://lists.fedoraproject.org/archives/list/[email protected]/thread/6NULSZT4JH6WPRE73VQI4A42OU32HKTH/, https://ubuntu.com/security/notices/USN-4656-1

    Affected packages

    Package

    Name: x11-server

    Purl: pkg:rpm/mageia/x11-server?arch=source&distro=mageia-7

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.20.10-1.1.mga7

    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
    MGASA-2020-0456 | CVE-DB