CVE-2026-93516

Public on 2026-10-09

Modified on 2026-10-09

Description

XInput Passive Grab modifierDevice Use-After-Free

NOTE: https://lists.x.org/archives/xorg-announce/2026-October/003747.html
NOTE: Fixed by: https://gitlab.freedesktop.org/xorg/xserver/-/commit/9442a53c137bb9eb61336c6fd39627912d50cc8d (xorg-server-21.1.25)

Severity

Important

See what this means

CVSS v3 Base Score

7.8

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory	Status
Amazon Linux 2 - Core	tigervnc	2026-10-24	ALAS2-2026-4013	Fixed
Amazon Linux 2023	tigervnc	2026-10-24	ALAS2023-2026-3262	Fixed
Amazon Linux 2 - Core	wayland			Not Affected
Amazon Linux 2023	wayland			Not Affected
Amazon Linux 2027 Preview	wayland			Not Affected
Amazon Linux 2023	xisxwayland			Not Affected
Amazon Linux 2027 Preview	xisxwayland			Not Affected
Amazon Linux 2 - Core	xorg-x11-server	2026-10-24	ALAS2-2026-4014	Fixed
Amazon Linux 2023	xorg-x11-server	2026-10-24	ALAS2023-2026-3260	Fixed
Amazon Linux 2023	xorg-x11-server-Xwayland	2026-10-24	ALAS2023-2026-3261	Fixed
Amazon Linux 2027 Preview	xorg-x11-server-Xwayland	2026-10-26	ALAS2027-2026-226	Fixed
Amazon Linux 2027 Preview	xwayland-run			Not Affected

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-93516 Mitre: CVE-2026-93516