CVE-2026-109951
Freerdp: out-of-bounds read can lead to denial of service
- Risk score
- 41/100
- CVSS
- 5.3 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 13 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- FreeRDP 3.17.1 before 3.32.0 contains a heap buffer over-read vulnerability in DynvcTrackerHandleCreateBack of the freerdp-proxy DRDYNVC channel handler that allows malicious backend RDP servers to read heap memory out of bounds. Attackers can send a CREATE_REQUEST_PDU whose channel name lacks a NUL byte, causing an u…
- Affected
- Freerdp before 3.32.0
- Fix
- Upgrade Freerdp to 3.32.0 or later.
- Exploitation
- Public proof of concept
Why it is Yellow
- CVSS 5.3 medium
- Public exploit or proof of concept referenced
References
Original description
FreeRDP 3.17.1 before 3.32.0 contains a heap buffer over-read vulnerability in DynvcTrackerHandleCreateBack of the freerdp-proxy DRDYNVC channel handler that allows malicious backend RDP servers to read heap memory out of bounds. Attackers can send a CREATE_REQUEST_PDU whose channel name lacks a NUL byte, causing an unbounded snprintf read that leaks memory into proxy logs or crashes the process.
Last activity 13 Oct 2026. Patch Forecast updates every hour.