X.Org libXfont2

• CVE-2026-56003 High 8.5 libXfont2 computeProps Property Buffer Heap Buffer Overflow 0.4%
• CVE-2026-56002 High 8.5 libXfont2 PCF Font Parsing Heap Buffer Overflow 0.4%
• CVE-2026-56001 High 8.5 libXfont2 BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow 0.4%