# RHSA-2026:75570: freerdp security update

RHSA-2026:75570, released October 5, 2026, fixes 11 CVEs in freerdp (version 3.10.3-12.el10_2.14). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-75570
- Platform: Linux
- Released: Oct 5, 2026
- Priority: High (Closes CVE-2026-91963, high severity)
- CVEs: 11, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:75570

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [freerdp](https://patchblox.com/security/data/product/linux/freerdp.md) | RHEL 10 | 3.10.3-12.el10_2.14 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-91963](https://patchblox.com/security/data/cve/CVE-2026-91963.md) | High | freerdp3: FreeRDP versions before 3.31.0 contain an uninitialized heap memory disclosure vulnerability in the urbdrc USB redire... | 8.8 | 0.0067 |  |
| [CVE-2026-91964](https://patchblox.com/security/data/cve/CVE-2026-91964.md) | High | freerdp3: FreeRDP versions before 3.31.0 contain a heap-based buffer overflow in nego_send_negotiation_request when processing... | 8.8 | 0.0060 |  |
| [CVE-2026-91946](https://patchblox.com/security/data/cve/CVE-2026-91946.md) | High | freerdp3: FreeRDP versions before 3.31.0 contain an information disclosure vulnerability in the RDPGFX server's ResetGraphics P... | 8.8 | 0.0053 |  |
| [CVE-2026-91953](https://patchblox.com/security/data/cve/CVE-2026-91953.md) | High | freerdp: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license | 8.8 | 0.0047 |  |
| [CVE-2026-91960](https://patchblox.com/security/data/cve/CVE-2026-91960.md) | High | freerdp3: FreeRDP versions before 3.31.0 contain an integer overflow in WinPR's Stream_EnsureRemainingCapacity function that al... | 8.8 | 0.0046 |  |
| [CVE-2026-91950](https://patchblox.com/security/data/cve/CVE-2026-91950.md) | High | freerdp3: FreeRDP before 3.31.0 contains an out-of-bounds read vulnerability in the rdpdr_dump_packet function due to 32-bit un... | 8.8 | 0.0040 |  |
| [CVE-2026-91954](https://patchblox.com/security/data/cve/CVE-2026-91954.md) | High | freerdp: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license | 8.8 | 0.0039 |  |
| [CVE-2026-91956](https://patchblox.com/security/data/cve/CVE-2026-91956.md) | High | freerdp: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license | 8.8 | 0.0039 |  |
| [CVE-2026-91959](https://patchblox.com/security/data/cve/CVE-2026-91959.md) | High | freerdp: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license | 8.8 | 0.0039 |  |
| [CVE-2026-85089](https://patchblox.com/security/data/cve/CVE-2026-85089.md) | High | freerdp3: FreeRDP versions 3.0.0 through 3.30.0 (before 3.31.0) transmit uninitialized heap memory in Save Session Info PDU res... | 8.8 | 0.0038 |  |
| [CVE-2026-91947](https://patchblox.com/security/data/cve/CVE-2026-91947.md) | High | freerdp3: FreeRDP server versions before 3.31.0 contain a use-after-free vulnerability in the DRDYNVC parser that dereferences... | 8.8 | 0.0037 |  |

---

Data as of 2026-11-07T18:46:35Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.