FreeRDP: Mehrere Schwachstellen ermöglichen Denial of Service
WID-SEC-2026-4015 · first 19.10.2026 · updated 19.10.2026 · CVSS 4,3
What it is about
FreeRDP ist eine freie Implementierung des Remote Desktop Protocol (RDP). Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in FreeRDP ausnutzen, um einen Denial of Service Angriff durchzuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial of Service Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Open Source FreeRDP <3.32.2
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source FreeRDP 3.32.2
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- GitHub Security Advisory GHSA-5qqp-5ffm-m3p9 vom 2026-10-18 github.com
- GitHub Security Advisory GHSA-66mr-7wc7-23vc vom 2026-10-18 github.com
- GitHub Security Advisory GHSA-fqw6-jf2h-6fj6 vom 2026-10-18 github.com
- GitHub Security Advisory GHSA-jqf4-4p68-4p43 vom 2026-10-18 github.com
- GitHub Security Advisory GHSA-wffv-rjv2-h2x2 vom 2026-10-18 github.com
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.