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    Mageia 2020-0456: x11-server security update

    Date 17 Dec 2020
    69
    Posted By LinuxSecurity Advisories
    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).
    MGASA-2020-0456 - Updated x11-server packages fix security vulnerabilities
    
    Publication date: 17 Dec 2020
    URL: https://advisories.mageia.org/MGASA-2020-0456.html
    Type: security
    Affected Mageia releases: 7
    CVE: CVE-2020-14360,
         CVE-2020-25712
    
    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://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/This email address is being protected from spambots. You need JavaScript enabled to view it./thread/6NULSZT4JH6WPRE73VQI4A42OU32HKTH/
    - https://ubuntu.com/security/notices/USN-4656-1
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14360
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25712
    
    SRPMS:
    - 7/core/x11-server-1.20.10-1.1.mga7
    

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