# libfreerdp-shadow3-3 3.31.0+dfsg-0ubuntu0.26.04.1: libfreerdp-shadow3-3 3.31.0+dfsg-0ubuntu0.26.04.1 for Ubuntu 26.04.1 LTS (resolute)

libfreerdp-shadow3-3 3.31.0+dfsg-0ubuntu0.26.04.1, released September 15, 2026, fixes 22 CVEs in libfreerdp-shadow3-3. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-resolute-libfreerdp-shadow3-3-3.31.0-dfsg-0ubuntu0.26.04.1
- Platform: Linux
- Released: Sep 15, 2026
- Priority: High (Closes CVE-2026-91964, high severity)
- CVEs: 22, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libfreerdp-shadow3-3](https://patchblox.com/security/data/product/linux/libfreerdp-shadow3-3.md) | Ubuntu 26.04.1 LTS (resolute) | 3.31.0+dfsg-0ubuntu0.26.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-91964](https://patchblox.com/security/data/cve/CVE-2026-91964.md) | High | freerdp: CVE-2026-91959, CVE-2026-91963 | 8.8 | 0.0060 |  |
| [CVE-2026-91948](https://patchblox.com/security/data/cve/CVE-2026-91948.md) | High | freerdp3: FreeRDP versions before 3.31.0 contain an out-of-bounds write vulnerability in server-side static virtual channel han... | 7.5 | 0.0059 |  |
| [CVE-2026-91963](https://patchblox.com/security/data/cve/CVE-2026-91963.md) | High | freerdp: CVE-2026-91959, , CVE-2026-91964) | 8.8 | 0.0058 |  |
| [CVE-2026-91949](https://patchblox.com/security/data/cve/CVE-2026-91949.md) | High | freerdp3: FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated... | 9.3 | 0.0058 |  |
| [CVE-2026-91955](https://patchblox.com/security/data/cve/CVE-2026-91955.md) | High | freerdp3: FreeRDP before 3.31.0 fails to validate client-supplied DesktopWidth and DesktopHeight values during GCC negotiation,... | 7.5 | 0.0057 |  |
| [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: Backport several CVE fixes , CVE-2026-91954, CVE-2026-91956 | 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: Backport several CVE fixes (CVE-2026-91953, , CVE-2026-91956 | 8.8 | 0.0039 |  |
| [CVE-2026-91956](https://patchblox.com/security/data/cve/CVE-2026-91956.md) | High | freerdp: Backport several CVE fixes (CVE-2026-91953, CVE-2026-91954 | 8.8 | 0.0039 |  |
| [CVE-2026-91959](https://patchblox.com/security/data/cve/CVE-2026-91959.md) | High | freerdp: CVE-2026-91963, CVE-2026-91964) | 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 |  |
| [CVE-2026-91945](https://patchblox.com/security/data/cve/CVE-2026-91945.md) | Routine | freerdp3: FreeRDP versions before 3.31.0 contain an out-of-bounds read vulnerability in smartcard response decoders that fail t... | 6.5 | 0.0058 |  |
| [CVE-2026-91952](https://patchblox.com/security/data/cve/CVE-2026-91952.md) | Routine | freerdp3: FreeRDP versions before 3.31.0 contain an infinite-loop denial of service in the pool_decode_rect function when decod... | n/a | 0.0039 |  |
| [CVE-2026-91951](https://patchblox.com/security/data/cve/CVE-2026-91951.md) | Routine | freerdp3: FreeRDP versions before 3.31.0 contain an out-of-bounds write vulnerability in the urbdrc client channel's urb_send_c... | 6.5 | 0.0038 |  |
| [CVE-2026-91961](https://patchblox.com/security/data/cve/CVE-2026-91961.md) | Routine | freerdp3: FreeRDP before 3.31.0 contains a denial-of-service vulnerability in the URBDRC control-transfer request path that fai... | n/a | 0.0037 |  |
| [CVE-2026-91957](https://patchblox.com/security/data/cve/CVE-2026-91957.md) | Routine | freerdp3: FreeRDP before 3.31.0 contains a use-after-free vulnerability in the smartcard RDPDR device handler when worker threa... | n/a | 0.0037 |  |
| [CVE-2026-85090](https://patchblox.com/security/data/cve/CVE-2026-85090.md) | Routine | freerdp3: FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the general_ChromaV1ToYUV444 function durin... | n/a | 0.0028 |  |
| [CVE-2026-91962](https://patchblox.com/security/data/cve/CVE-2026-91962.md) | Routine | freerdp3: FreeRDP before 3.31.0 contains an integer overflow in the audin Apple backends when processing FramesPerPacket values... | n/a | 0.0026 |  |
| [CVE-2026-91958](https://patchblox.com/security/data/cve/CVE-2026-91958.md) | Routine | freerdp3: FreeRDP versions before 3.31.0 fail to validate MonitorIds array values when parsing RDP connection files, allowing u... | n/a | 0.0020 |  |

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Data as of 2026-11-13T20:04:13Z 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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