CVE-2026-110832 FreeRDP 2.0.0 before 3.32.0 Memory Exhaustion via DRDYNVC DATA_FIRST
Authenticated attackers can cause server resource exhaustion in FreeRDP by sending crafted DVC messages, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-110832?
CVE-2026-110832 is a high-severity denial of service vulnerability in Freerdp Freerdp, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
FreeRDP from 2.0.0 before 3.32.0 contains a memory exhaustion vulnerability in wts_read_drdynvc_data_first that allows authenticated clients to force servers to commit large memory allocations. Attackers can send a seven-byte DATA_FIRST message on an opened DVC declaring a large 32-bit length, causing zeroed resident memory growth and server resource exhaustion.
Weakness: CWE-400
Which versions are affected by CVE-2026-110832?
It affects 1 product.
Products include Freerdp Freerdp.
How do I fix CVE-2026-110832?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-110832 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110832 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-2026-110832, GHSA-33hr-7cgj-xvcg, GHSA-5cgr-vmp8-fmvj, UBUNTU-CVE-2026-110832.