CVE-2026-109241 FreeRDP before 3.32.0 NULL Dereference in Video Redirection Channel
A malicious server can crash FreeRDP clients by sending out-of-order video redirection messages, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-109241?
CVE-2026-109241 is a low-severity vulnerability in FreeRDP, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
FreeRDP before 3.32.0 contains a NULL pointer dereference vulnerability in the client video redirection channel that allows malicious servers to crash clients by sending out-of-order messages. Attackers can send a Geometry CLEAR message that nulls presentation->geometry, then send VideoData that dereferences it, causing client denial of service.
Weakness: CWE-476
Which versions are affected by CVE-2026-109241?
How do I fix CVE-2026-109241?
Upgrade to a fixed version.
Is CVE-2026-109241 being exploited?
There is no known exploitation of CVE-2026-109241 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-109241, GHSA-rc7m-h6pj-rgg2, GHSA-x7v7-9jp5-wqj2, UBUNTU-CVE-2026-109241.