CVE-2026-110829 FreeRDP 3.0.0 before 3.32.0 Null Pointer Dereference via rdpsnd Fragment
A malicious RDP server can crash the FreeRDP client by sending a malformed audio channel packet, 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-2026-110829?
CVE-2026-110829 is a high-severity vulnerability in Freerdp Freerdp, published on 14 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 versions from 3.0.0 before 3.32.0 contain a null pointer dereference in the rdpsnd channel when a fragment sets CHANNEL_FLAG_LAST without CHANNEL_FLAG_FIRST. A malicious RDP server can send a malformed rdpsnd PDU on a fresh channel to crash the client and cause denial of service.
Weakness: CWE-476
Which versions are affected by CVE-2026-110829?
It affects 1 product.
Products include Freerdp Freerdp.
How do I fix CVE-2026-110829?
Upgrade to a fixed version.
Is CVE-2026-110829 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110829 exists.
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-2026-110829, GHSA-3mq5-xh88-9v62, GHSA-45cr-5r62-8qcj, UBUNTU-CVE-2026-110829.