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Vulnerabilities of X.org xorg-x11-server

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CVE Summary Score Published
CVE-2026-93536 A use after free caused by missing lifecycle management of gesture sprites in GestureBuildSprite() in X.Org X Server… 5.3 Medium Oct 28, 2026
CVE-2026-93524 A buffer overread in CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by… 6.9 Medium Oct 28, 2026
CVE-2026-93523 A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server… 7.8 High Oct 28, 2026
CVE-2026-93522 X.Org Server Glamor CopyArea Heap Buffer Overflow 7.8 High Oct 28, 2026
CVE-2026-93521 A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14… 7.8 High Oct 28, 2026
CVE-2026-93520 A heap buffer overflow caused by mismatching size calculations between XkbAllocNames and ChangeKeycodeRange in X.org… 7.8 High Oct 28, 2026
CVE-2026-93519 X.Org Server XFixes Pointer Barrier Event List Buffer Overflow 7.8 High Oct 28, 2026
CVE-2026-93518 X.Org Server XKB ResizeKeyType Numeric Truncation 7.8 High Oct 28, 2026
CVE-2026-93516 A use-after-free caused by lack of lifecycle management when adding / removing XInput master devices in X.org X Server… 5.5 Medium Oct 28, 2026
CVE-2026-93515 A use-after-free in present_clear_window_notifies() in the X.org X Server before 21.1.25 and X Wayland before 24.1.14… 6.8 Medium Oct 28, 2026
CVE-2026-88812 X.Org Server XKB SetGeometry TextDoodad Double Free 7.8 High Oct 27, 2026
CVE-2026-56000 Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland… 9.0 Critical Jul 8, 2026

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