Score: 7.8/10 (CVSS v3.1)
Vendor: Red Hat
Updated: 2026-04-23

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 potential...

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-25229

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