Vulnerability Details CVE-2026-91950
FreeRDP before 3.31.0 contains an out-of-bounds read vulnerability in the rdpdr_dump_packet function due to 32-bit unsigned integer wraparound in buffer bounds validation. A malicious RDP server can send a crafted RDPDR packet with computerNameLen set to 0xFFFFFFF0 to bypass bounds checks and trigger memory reads past the packet buffer, causing client crashes or heap disclosure in logs.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 38.5%
CVSS Severity
CVSS v3 Score 6.5