CYBERHAWK / CVE / CVE-2026-50258

CVE-2026-50258

X.Org X server

HIGH CVSS 7.8 vibe oss

The flaw

Stack-based buffer overflow in CheckKeyTypes() when client changes key types to excessive shift levels.

What to do

Update X.Org X server and Xwayland to latest versions

▸ Scan my repo for CVE-2026-50258

References

First seen 2026-06-05 · Tracked by PickBits CyberHawk · Weekly CVE digest