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    CVE-2023-5380

    A use-after-free flaw was found in the xorg-x11-server. An X server crash may occur in a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode) if the pointer is warped from within a window on one screen to the root window of the other screen and if the original window is destroyed followed by another window being destroyed.

    Published:Oct 25, 2023
    Last Modified:Jun 23, 2026
    EPS:Oct 25, 2023
    EPSS Score:0.00715
    CVSS Score:4.7

    Affected Products

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

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://access.redhat.com/errata/RHSA-2023:7428
    https://access.redhat.com/errata/RHSA-2024:2169
    https://access.redhat.com/errata/RHSA-2024:2298
    https://access.redhat.com/errata/RHSA-2024:2995
    https://access.redhat.com/errata/RHSA-2024:3067
    https://access.redhat.com/security/cve/CVE-2023-5380
    https://bugzilla.redhat.com/show_bug.cgi?id=2244736
    https://lists.x.org/archives/xorg-announce/2023-October/003430.html
    https://access.redhat.com/errata/RHSA-2023:7428
    https://access.redhat.com/errata/RHSA-2024:2169
    https://access.redhat.com/errata/RHSA-2024:2298
    https://access.redhat.com/errata/RHSA-2024:2995
    https://access.redhat.com/errata/RHSA-2024:3067
    https://access.redhat.com/security/cve/CVE-2023-5380
    https://bugzilla.redhat.com/show_bug.cgi?id=2244736
    https://lists.debian.org/debian-lts-announce/2023/10/msg00036.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/2WS5E7H4A5J3U5YBCTMRPQVGWK5LVH7D/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/3RK66CXMXO3PCPDU3GDY5FK4UYHUXQJT/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/AKKIE626TZOOPD533EYN47J4RFNHZVOP/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/HO2Q2NP6R62ZRQQG3XQ4AXUT7J2EKKKY/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/SN6KV4XGQJRVAOSM5C3CWMVAXO53COIP/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/TJXNI4BXURC2BKPNAHFJK3C5ZETB7PER/
    https://lists.x.org/archives/xorg-announce/2023-October/003430.html
    https://security.gentoo.org/glsa/202401-30
    https://security.netapp.com/advisory/ntap-20231130-0004/
    https://www.debian.org/security/2023/dsa-5534

    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