Vulnerability · Published Oct 14, 2026 · Assigned by VulnCheck
CVE-2026-110833FreeRDP before 3.32.0 Unbounded Memory Retention via RDPDR Proxy
Medium 5.9
In plain English
A medium-severity uncontrolled resource consumption in FreeRDP from FreeRDP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
FreeRDP from 3.0.0-beta1 before 3.32.0 fails to enforce cumulative or absolute size limits when reassembling RDPDR channel fragments in the proxy. Attackers can send a FIRST fragment followed by continuation fragments without LAST, growing per-session heap streams proportional to traffic and exhausting proxy memory.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | freerdp | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:10 | freerdp-devel | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:10 | freerdp-libs | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:10 | freerdp-server | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:10 | libwinpr | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| AlmaLinux:10 | libwinpr-devel | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
| Debian:12 | freerdp2 | no fix listed | DEBIAN-CVE-2026-110833 |
| Debian:13 | freerdp3 | no fix listed | DEBIAN-CVE-2026-110833 |
| Debian:14 | freerdp3 | 3.32.0+dfsg-1 | DEBIAN-CVE-2026-110833 |
| Rocky Linux:10 | freerdp | 2:3.32.2-1.el10_2 | RLSA-2026:94514 |
| Ubuntu:22.04:LTS | freerdp2 | no fix listed | UBUNTU-CVE-2026-110833 |
| Ubuntu:24.04:LTS | freerdp3 | 3.32.0+dfsg-0ubuntu0.24.04.1 | UBUNTU-CVE-2026-110833 |
| Ubuntu:26.04:LTS | freerdp3 | 3.32.0+dfsg-0ubuntu0.26.04.1 | UBUNTU-CVE-2026-110833 |
Affected products (as reported)
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- GitHub Security Advisory (GHSA-m7g5-gw57-cwcr) vendor-advisory
- VulnCheck Advisory: FreeRDP before 3.32.0 Unbounded Memory Retention via RDPDR Proxy third-party-advisory