# freerdp3-proxy-modules 3.20.2+dfsg-1: freerdp3-proxy-modules 3.20.2+dfsg-1 for Ubuntu 26.04.1 LTS (resolute)

freerdp3-proxy-modules 3.20.2+dfsg-1, released January 14, 2026, fixes 8 CVEs in freerdp3-proxy-modules. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-resolute-freerdp3-proxy-modules-3.20.2-dfsg-1
- Platform: Linux
- Released: Jan 14, 2026
- Priority: High (Closes CVE-2026-22859, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [freerdp3-proxy-modules](https://patchblox.com/security/data/product/linux/freerdp3-proxy-modules.md) | Ubuntu 26.04.1 LTS (resolute) | 3.20.2+dfsg-1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-22855](https://patchblox.com/security/data/cve/CVE-2026-22855.md) | High | freerdp: heap-buffer-overflow in smartcard_unpack_set_attrib_call (bsc#1256721). | 9.1 | 0.0089 |  |
| [CVE-2026-22859](https://patchblox.com/security/data/cve/CVE-2026-22859.md) | High | freerdp: improper bound check can lead to heap-buffer-overflow in urb_select_configuration (bsc#1256725). | 9.1 | 0.0089 |  |
| [CVE-2026-22858](https://patchblox.com/security/data/cve/CVE-2026-22858.md) | High | freerdp: Fixed global-buffer-overflow in crypto_base64_devoce | 9.1 | 0.0070 |  |
| [CVE-2026-22854](https://patchblox.com/security/data/cve/CVE-2026-22854.md) | High | freerdp: server-controlled read length is used to read file data into an IRP output can cause | 9.8 | 0.0053 |  |
| [CVE-2026-22857](https://patchblox.com/security/data/cve/CVE-2026-22857.md) | High | freerdp: heap-use-after-free in irp_thread_func (bsc#1256723). | 9.8 | 0.0053 |  |
| [CVE-2026-22852](https://patchblox.com/security/data/cve/CVE-2026-22852.md) | High | freerdp: a malicious RDP server can trigger a heap-buffer-overflow in audin_process_formats (bsc#1256718). | 9.8 | 0.0043 |  |
| [CVE-2026-22856](https://patchblox.com/security/data/cve/CVE-2026-22856.md) | High | freerdp: race condition in the serial channel IRP thread tracking can cause heap-use-after-free | 8.8 | 0.0033 |  |
| [CVE-2026-22851](https://patchblox.com/security/data/cve/CVE-2026-22851.md) | Routine | freerdp: Fixed RDPGFX ResetGraphics race leading to | 5.9 | 0.0029 |  |

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Data as of 2026-11-12T07:53:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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