CVSS 8.5 (high) · published 2026-11-13
A integer overflow that can lead to a buffer overrread in the XRes QueryResourceBytes Swap Path in the X.Org xwayland before 24.1.15 and X Server before 21.1.26 on 32bit systems could be used by authenticated clients to crash the X server.
Weakness: CWE-190
Source: NVD CVE-2026-109094
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