CVE-2026-91958 — FreeRDP 3.11.0 through 3.30.0 Heap Buffer Overflow via Monitor Index
FreeRDP versions before 3.31.0 fail to validate MonitorIds array values when parsing RDP connection files, allowing unbounded array indexing in xf_detect_monitors. Attackers can…
Published: 2026-09-15 · CVSS: 6.9 · CVSS 4.0
FreeRDP versions before 3.31.0 fail to validate MonitorIds array values when parsing RDP connection files, allowing unbounded array indexing in xf_detect_monitors. Attackers can craft a malicious RDP file with an out-of-range selectedmonitors value to trigger out-of-bounds heap read and write operations when opened in xfreerdp.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7