AUGUST 4, 2026
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Case File

CVE-2023-6377

HIGH · CVSS 7.8 EPSS 1.59% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-12-13 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-6377
Severity
HIGH
CVSS
7.8
EPSS
1.59%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)