CYBERHAWK / CVE / CVE-2026-50256

CVE-2026-50256

X.Org X server

HIGH CVSS 7.8 vibe oss

The flaw

Stack-based buffer overflow during font alias resolution due to mismatch between server and libXfont2 maximum font name lengths.

What to do

Update X.Org X server and Xwayland to latest versions

▸ Scan my repo for CVE-2026-50256

References

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