Vulnerability Details CVE-2026-109946
FreeRDP 3.11.0 before 3.32.0 does not validate that AVC444 and AVC444v2 region widths are even before YUV444 conversion, so an odd width reaches an assertion and aborts the client. A malicious or compromised RDP server can terminate a connected FreeRDP client after RDPGFX AVC444 negotiation by sending an in-bounds region rectangle with an odd width.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 17.9%
CVSS Severity
CVSS v3 Score 6.5