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 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 Pending Fix
Amazon Linux 2023 tigervnc Pending Fix
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 Pending Fix
Amazon Linux 2023 xorg-x11-server Pending Fix
Amazon Linux 2023 xorg-x11-server-Xwayland Pending Fix
Amazon Linux 2027 Preview xorg-x11-server-Xwayland Pending Fix
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