점검 대응높음KEV 미등록
CVE-2026-44421
FreeRDP FreeRDP, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 취약점
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client by sending crafted RDPGFX PDUs. The bug is in gdi_CacheToSurface: it validates a destination rectangle that is clamped to UINT16_MAX, but then performs the copy using the original cacheEntry->width/height. This can cause a large out-of-bounds heap write and may lead to client crashes or code execution. This bug is reachable from a malicious RDP server, but only when the client has RDPGFX enabled. This vulnerability is fixed i...
- 대응 우선순위
- 점검
- CVSS
- 8.8
- EPSS
- 0.51% 백분위 40.5% · 2026.08.04 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.05.30