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Freerdp CVE-2026-91959

| EUVDEUVD-2026-78635 HIGH
Out-of-bounds Read (CWE-125)
2026-09-15 VulnCheck GHSA-c7qq-9mg2-ccx2
7.1
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
7.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from Vendor (VulnCheck) · only source for this CVE.

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

6
Analysis Updated
Sep 15, 2026 - 16:30 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Sep 15, 2026 - 16:22 vuln.today
cvss_changed
Severity Changed
Sep 15, 2026 - 16:22 NVD
MEDIUM HIGH
CVSS changed
Sep 15, 2026 - 16:22 NVD
6.5 (MEDIUM) 7.1 (HIGH)
Analysis Generated
Sep 15, 2026 - 16:04 vuln.today
Patch available
Sep 15, 2026 - 16:03 EUVD

DescriptionCVE.org

FreeRDP before 3.31.0 contains a buffer over-read vulnerability in the rts_read_result function within the RPC gateway transport parser. Attackers can send a malicious BIND_ACK PDU with a truncated result entry to trigger an out-of-bounds read causing process abort.

AnalysisAI

Let me synthesize. CVE-2026-91959: FreeRDP buffer over-read in rts_read_result (RPC gateway transport parser), truncated BIND_ACK PDU result entry → OOB read → process abort (DoS). …

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CVE-2026-91959 vulnerability details – vuln.today

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