CVE-2026-24677

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, ecam_encoder_compress_h264 trusts server-controlled dimensions and does not validate the source buffer size, leading to an out-of-bounds read in sws_scale. This vulnerability is fixed in 3.22.0.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/FreeRDP/FreeRDP/commit/d2d4f449312ddafd4a4c6c8a4f856c7f0d44a3b5	Patch
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-xw37-j744-f8v7	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*

History

10 Feb 2026, 15:09

Type	Values Removed	Values Added
First Time		Freerdp Freerdp freerdp
References	~~() https://github.com/FreeRDP/FreeRDP/commit/d2d4f449312ddafd4a4c6c8a4f856c7f0d44a3b5 -~~	() https://github.com/FreeRDP/FreeRDP/commit/d2d4f449312ddafd4a4c6c8a4f856c7f0d44a3b5 - Patch
References	~~() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-xw37-j744-f8v7 -~~	() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-xw37-j744-f8v7 - Patch, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.1
CPE		cpe:2.3:a:freerdp:freerdp::::::::

09 Feb 2026, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-09 19:15

Updated : 2026-02-10 15:09

NVD link : CVE-2026-24677

Mitre link : CVE-2026-24677

CVE.ORG link : CVE-2026-24677

JSON object : View

Products Affected

freerdp

freerdp

CWE

CWE-416

Use After Free

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