CVE-2026-109679

FreeRDP 3.0.0-beta4 before 3.32.0 contains a NULL pointer dereference in arm_handle_request_ok when an ARM endpoint returns an empty HTTP 200 body. Attackers controlling the configured ARM gateway can return a zero-length body to pass NULL to strnlen and crash the connecting client.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69	Exploit Vendor Advisory
https://www.vulncheck.com/advisories/freerdp-3.0.0-beta4-before-3.32.0-null-pointer-crash-via-arm-response	Third Party Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:freerdp:freerdp::::::::
	cpe:2.3:a:freerdp:freerdp:3.0.0:beta4::::::
	cpe:2.3:a:freerdp:freerdp:3.0.0:rc0::::::

History

20 Oct 2026, 20:43

Type	Values Removed	Values Added
First Time		Freerdp Freerdp freerdp
CPE		cpe:2.3:a:freerdp:freerdp:3.0.0:beta4:::::: cpe:2.3:a:freerdp:freerdp:::::::: cpe:2.3:a:freerdp:freerdp:3.0.0:rc0::::::
References	~~() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69 -~~	() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69 - Exploit, Vendor Advisory
References	~~() https://www.vulncheck.com/advisories/freerdp-3.0.0-beta4-before-3.32.0-null-pointer-crash-via-arm-response -~~	() https://www.vulncheck.com/advisories/freerdp-3.0.0-beta4-before-3.32.0-null-pointer-crash-via-arm-response - Third Party Advisory

18 Oct 2026, 12:17

Type	Values Removed	Values Added
References	~~() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69 -~~	() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69 -

13 Oct 2026, 14:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-13 14:17

Updated : 2026-10-20 20:43

NVD link : CVE-2026-109679

Mitre link : CVE-2026-109679

CVE.ORG link : CVE-2026-109679

JSON object : View

Products Affected

freerdp

freerdp

CWE

CWE-476

NULL Pointer Dereference

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