Description
FreeRDP from 3.0.0 before 3.32.2 contains an uncontrolled resource allocation vulnerability that allows malicious RDP servers to force large client allocations through the DRDYNVC DATA_FIRST Length field. Attackers can declare lengths up to 4,294,967,295 bytes on running dynamic channels, causing StreamPool_Take to reserve memory before body validation and exhaust client memory.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FreeRDP | FreeRDP | 3.0.0 – < 3.32.2 | 3.32.2 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | freerdp3 | 3.32.2+dfsg-1 | — |
| Debian 13 | freerdp3 | No fix yet | — |
| Debian 12 | freerdp2 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | freerdp3 | 3.32.2+dfsg-0ubuntu0.26.10.1 | USN-9007-1 |
| Ubuntu 26.04 LTS | freerdp3 | 3.32.2+dfsg-0ubuntu0.26.04.1 | USN-9007-1 |
| Ubuntu 24.04 LTS | freerdp3 | 3.32.2+dfsg-0ubuntu0.24.04.1 | USN-9007-1 |
| Ubuntu 22.04 LTS | freerdp2 | No fix yet | — |
| Ubuntu 18.04 LTS | freerdp | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | freerdp | No fix yet | — |
| Ubuntu Pro 24.04 LTS | freerdp2 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | freerdp2 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | freerdp2 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | freerdp +5 | 2:3.32.2-1.el10_2 | RHSA-2026:98598, RHSA-2026:94514 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | freerdp +5 | 2:3.32.2-1.el10_2 | ALSA-2026:94514 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | freerdp +5 | 2:3.32.2-1.el10_2 | RLSA-2026:98598 |
Advisories 6
- RHSA-2026:98598 Red Hat Security Advisory: freerdp security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:94514 Red Hat Security Advisory: freerdp security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- ALSA-2026:94514 Important: freerdp security, bug fix, and enhancement update AlmaLinux Security Advisories · Nov 13, 2026
- RLSA-2026:98598 Critical: freerdp security, bug fix, and enhancement update Rocky Linux Security Advisories · Nov 13, 2026
- WID-SEC-2026-4039 FreeRDP: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2026
- USN-9007-1 freerdp3 vulnerabilities Ubuntu Security Notices (USN) · Nov 10, 2026
References
- GitHub Security Advisory (GHSA-rrp5-666j-g6gp) vendor-advisory
- VulnCheck Advisory: FreeRDP 3.0.0 before 3.32.2 Uncapped Memory Allocation via DRDYNVC DATA_FIRST third-party-advisory