CVE-2026-109092
HIGH
NVD
CVSS Score
7.8
Severity
HIGH
Published
Nov 13, 2026
Vendor
unknown
Description
Incorrectly handled negative sizes when processing ProcXvShmPutImage requests in the X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by local authenticated X clients to crash the X server or execute code.