Dashboard / CVE-2026-93516

CVE-2026-93516

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-10-28 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

Description

A use-after-free caused by lack of lifecycle management when adding / removing XInput master devices in X.org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X Clients to crash the X server or potentially execute code in X server context.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
x.org xorg-x11-server 0 < 21.1.25
x.org xorg-x11-server 0 < 21.1.25
x.org xwayland 0 < 24.1.14
x.org xwayland 0 < 24.1.14

References & Advisories (1)

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.19%
Raw Score 0.001920
Percentile 8.9%
Date 2026-10-29

Intelligence Sources

mitre ref →
nvd ref →

External Links