점검 대응높음KEV 미등록
CVE-2026-40033
FreeRDP FreeRDP, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 취약점
FreeRDP before 3.26.0 contains a heap-buffer-overflow vulnerability in gdi_CacheToSurface that allows remote attackers to write out-of-bounds heap memory. The vulnerability occurs because rectangle validation clamps coordinates to UINT16_MAX but performs copy operations using unclamped cache entry dimensions, enabling malicious RDP servers to trigger large out-of-bounds writes and potentially achieve remote code execution or client crash.
- 대응 우선순위
- 점검
- CVSS
- 8.7
- EPSS
- 1.04% 백분위 60.5% · 2026.08.02 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.05.27