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    CVE-2017-10971

    In the X.Org X server before 2017-06-19, a user authenticated to an X Session could crash or execute code in the context of the X Server by exploiting a stack overflow in the endianness conversion of X Events.

    Published:Jun 19, 2017
    Last Modified:Aug 29, 2025
    EPS:Jul 6, 2017
    EPSS Score:0.02013
    CVSS Score:8.8

    Affected Products

    Vendor
    X.org
    Product
    X Server

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-50263 (CVSS 5.5) — A use-after-free flaw was found in the X.Org X server and Xwayland in CreateSaverWindow(). A client can trigge…
    CVE-2026-50259 (CVSS 7.8) — A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. _XkbSetMapChecks() declares a…
    CVE-2026-50257 (CVSS 7.8) — A use-after-free flaw was found in the X.Org X server and Xwayland in miSyncDestroyFence(). A client that sets…
    CVE-2026-50264 (CVSS 7.8) — An out-of-bounds write flaw was found in the X.Org X server and Xwayland in DRIGetBuffers/DRIGetBuffersWithFor…
    CVE-2026-50260 (CVSS 7.8) — A use-after-free flaw was found in the X.Org X server and Xwayland in FreeCounter(). A client that sets up mul…
    CVE-2026-50261 (CVSS 7.8) — A use-after-free flaw was found in the X.Org X server and Xwayland in SyncChangeCounter(). A client that sets …
    CVE-2026-50258 (CVSS 7.8) — A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. The X server has multiple sta…
    CVE-2026-50256 (CVSS 7.8) — A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X serv…
    CVE-2026-50262 (CVSS 5.5) — An out-of-bounds read flaw was found in the X.Org X server and Xwayland in __glXDisp_ChangeDrawableAttributes(…
    CVE-2026-34002 (CVSS 6.1) — A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB (X Keyboard…

    References

    http://www.debian.org/security/2017/dsa-3905
    http://www.securityfocus.com/bid/99546
    https://bugzilla.suse.com/show_bug.cgi?id=1035283
    https://cgit.freedesktop.org/xorg/xserver/commit/?id=215f894965df5fb0bb45b107d84524e700d2073c
    https://cgit.freedesktop.org/xorg/xserver/commit/?id=8caed4df36b1f802b4992edcfd282cbeeec35d9d
    https://cgit.freedesktop.org/xorg/xserver/commit/?id=ba336b24052122b136486961c82deac76bbde455
    http://www.debian.org/security/2017/dsa-3905
    http://www.securityfocus.com/bid/99546
    https://bugzilla.suse.com/show_bug.cgi?id=1035283
    https://cgit.freedesktop.org/xorg/xserver/commit/?id=215f894965df5fb0bb45b107d84524e700d2073c
    https://cgit.freedesktop.org/xorg/xserver/commit/?id=8caed4df36b1f802b4992edcfd282cbeeec35d9d
    https://cgit.freedesktop.org/xorg/xserver/commit/?id=ba336b24052122b136486961c82deac76bbde455

    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