GHSA-g562-3mh5-27v6HighCVSS 7.8

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the...

Published
April 23, 2026
Last Modified
May 20, 2026

🔗 CVE IDs covered (1)

📋 Description

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of service (DoS) or other severe impacts.

🔗 References (15)