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    Dashboard / CVE / CVE-2021-4009

    CVE-2021-4009

    A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

    Published:Dec 14, 2021
    Last Modified:Nov 21, 2024
    EPS:Dec 17, 2021
    EPSS Score:0.00055
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    X.org
    Product
    X Server

    Exploits

    No exploit reference

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    References

    https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKLSZCY47QK4RCJFXITYFALCGPJAFXOK/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDHYZM6FII35JA7J275MFCJO6ADJUPQX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T57DCF726O5LLTST4NBL5PQ7DLPB46HT/
    https://lists.x.org/archives/xorg-announce/2021-December/003122.html
    https://lists.x.org/archives/xorg-announce/2021-December/003124.html
    https://security.gentoo.org/glsa/202305-30
    https://security.netapp.com/advisory/ntap-20220114-0004/
    https://www.debian.org/security/2021/dsa-5027
    https://www.zerodayinitiative.com/advisories/ZDI-21-1548/
    https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKLSZCY47QK4RCJFXITYFALCGPJAFXOK/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDHYZM6FII35JA7J275MFCJO6ADJUPQX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T57DCF726O5LLTST4NBL5PQ7DLPB46HT/
    https://lists.x.org/archives/xorg-announce/2021-December/003122.html
    https://lists.x.org/archives/xorg-announce/2021-December/003124.html
    https://security.gentoo.org/glsa/202305-30
    https://security.netapp.com/advisory/ntap-20220114-0004/
    https://www.debian.org/security/2021/dsa-5027
    https://www.zerodayinitiative.com/advisories/ZDI-21-1548/

    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