CYBERHAWK / CVE / CVE-2026-50259
CVE-2026-50259
X.Org X server
HIGH
CVSS 7.8
vibe
oss
The flaw
Stack-based buffer overflow in _XkbSetMapChecks() allows client-controlled offset writes to fixed-size buffer.
What to do
Update X.Org X server and Xwayland to latest versions