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CVE-2026-55999

HIGH(8.5)

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Risk Signal Score31/100 — MITTEL
  • CVSS 8.5 — Hoch
  • Weniger als 24 Stunden alt

Beschreibung

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.

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