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CVE-2026-91958

FreeRDP 3.11.0 through 3.30.0 Heap Buffer Overflow via Monitor Index

CVSS 4.0 6.9 MEDIUMCVSS 3.1 6.6 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-91958

Published

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.

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Affected versions, risk and source history

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CVE-2026-91958 · CVE overview and exploitation status

cve-program · CVE-2026-91958

Related changes

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ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 13 Nov 14:14 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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