CVE-2026-24491 FreeRDP has a heap-use-after-free in video_timer
A heap-use-after-free in FreeRDP's video_timer allows attackers to trigger crashes or potentially execute code via crafted RDP traffic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-24491?
CVE-2026-24491 is a high-severity use after free vulnerability in Freerdp Freerdp, published on 9 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, video_timer can send client notifications after the control channel is closed, dereferencing a freed callback and triggering a use after free. This vulnerability is fixed in 3.22.0.
Weakness: CWE-416
Which versions are affected by CVE-2026-24491?
It affects 1 product.
Linux distribution packages (7)
freerdp SUSE:Linux Enterprise Module for Package Hub 15 SP7 | All versions | 2.11.2-150600.4.15.1 |
freerdp SUSE:Linux Enterprise Module for Package Hub 15 SP7 | All versions | 2.4.0-150400.3.44.1 |
freerdp2 SUSE:Linux Enterprise Module for Package Hub 15 SP7 | All versions | 2.11.7-150700.3.11.1 |
freerdp SUSE:Linux Enterprise Server 12 SP5-LTSS | All versions | 2.1.2-12.60.1 |
freerdp SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | All versions | 2.1.2-12.60.1 |
freerdp2 SUSE:Linux Enterprise Workstation Extension 15 SP7 | All versions | 2.11.7-150700.3.11.1 |
freerdp openSUSE:Leap 15.6 | All versions | 2.11.2-150600.4.15.1 |
Products include Freerdp Freerdp.
How do I fix CVE-2026-24491?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-24491 being exploited?
There is no known exploitation of CVE-2026-24491 in the wild and no public exploit code.
Other vulnerabilities in Freerdp Freerdp
- CVE-2021-37594 Other in n/a
- CVE-2021-37595 Other in n/a
- CVE-2026-67305 FreeRDP Windows Client before 3.29.0 Heap Buffer Overflow via Cliprdr
- CVE-2026-66402 FreeRDP before 3.29.0 TLS Certificate Identity Validation Bypass
- CVE-2026-67289 FreeRDP before 3.29.0 HTTP Proxy Request Injection via Redirection
Sources
Also known as DEBIAN-CVE-2026-24491, GHSA-4x6j-w49r-869g, SUSE-SU-2026:0902-1, SUSE-SU-2026:0933-1, SUSE-SU-2026:0968-1, SUSE-SU-2026:0969-1 and 1 more.