CVE-2026-55999
X.Org xorg-server, xwayland, x server 취약점
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.
- 대응 우선순위
- 점검
- CVSS
- 7.8
- EPSS
- 0.21% 백분위 11.6% · 2026.07.20 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.07.08