CVE-2026-25941 — Improper Input Validation in Freerdp

CWE-20 — Improper Input ValidationCWE-125 — Out-of-bounds ReadCWE-130 — Improper Handling of Length Parameter Inconsistency7 documents7 sources
Severity
8.1HIGHNVD
CNA4.3
EPSS
0.1%
top 66.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Freerdp
Timeline
PublishedFeb 25
Latest updateMar 18

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Versions on the 2.x branch prior to to 2.11.8 and on the 3.x branch prior to 3.23.0 have an out-of-bounds read vulnerability in the FreeRDP client's RDPGFX channel that allows a malicious RDP server to read uninitialized heap memory by sending a crafted WIRE_TO_SURFACE_2 PDU with a `bitmapDataLength` value larger than the actual data in the packet. This can lead to information disclosure or client crashes when a user connects to a …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:HExploitability: 2.8 | Impact: 5.2

Affected Packages2 packages

▶NVDfreerdp/freerdp2.0.0 — 2.11.8+1
▶CVEListV5freerdp/freerdp>= 2.0.0, < 2.11.8, >= 3.0.0, < 3.23.0+1

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
CVEList
FreeRDP: vuln_1_15_1 RDPGFX WIRE_TO_SURFACE_2 Out-of-Bounds Read↗2026-02-25
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OSV
CVE-2026-25941: FreeRDP is a free implementation of the Remote Desktop Protocol↗2026-02-25
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📋Vendor Advisories

3
Ubuntu
FreeRDP vulnerabilities↗2026-03-18
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Red Hat
freerdp: FreeRDP: Information disclosure or client crash via out-of-bounds read in RDPGFX channel↗2026-02-25
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Debian
CVE-2026-25941: freerdp2 - FreeRDP is a free implementation of the Remote Desktop Protocol. Versions on the...↗2026
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🕵️Threat Intelligence

1
Wiz
CVE-2026-25941 Impact, Exploitability, and Mitigation Steps | Wiz↗
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