CVE-2026-121389

LOW 3.1

FreeRDP 3.27.0 before 3.32.2 Client DoS via RDPDR Device Announcement Logging

CVSS Score

3.1

EPSS Score

0.0%

EPSS Percentile

0th

FreeRDP from 3.27.0 before 3.32.2 contains a denial of service vulnerability in rdpdr_dump_packet that allows malicious RDP servers to abort clients by sending malformed RDPDR device-list announcements. Attackers can declare a DeviceDataLength exceeding the received packet, triggering a fatal Stream_Seek assertion when device redirection, TRACE logging, and WinPR assertions are enabled.

CWE	CWE-617
Vendor	freerdp
Product	freerdp
Published	Nov 3, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

FreeRDP / FreeRDP

3.27.0 < 3.32.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-66mr-7wc7-23vc vulncheck.com: https://www.vulncheck.com/advisories/freerdp-3.27.0-before-3.32.2-client-dos-via-rdpdr-device-announcement-logging

Credits

opensec-intelligence Kushalkhemka mayank-jangid-moon