CVE-2023-6377

HIGH
MEDIUM Priority: 0.12 BB Relevance: 41/100
Published: 2023-12-13 Modified: 2026-11-04 First seen: 2026-11-04 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.

Weakness Classification (1)

Affected Software (7)

References & Advisories (29)

Showing 25 of 29 references

Bug Bounty Relevance

41 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

7.8 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

1.57%
Raw Score 0.015740
Percentile 75.6%
Date 2026-11-09

EPSS Trend

2026-11-09
0.01574
2026-11-08
0.01574
2026-11-07
0.01574
2026-11-06
0.01574
2026-11-05
0.01574
2026-11-04
0.01574

Intelligence Sources

mitre ref →
nvd ref →