# RHSA-2026:98598: freerdp security update

RHSA-2026:98598, released November 4, 2026, fixes 36 CVEs in freerdp (version 3.32.2-1.el10_3). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-98598
- Platform: Linux
- Released: Nov 4, 2026
- Priority: High (Closes CVE-2026-91948, high severity)
- CVEs: 36, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:98598

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [freerdp](https://patchblox.com/security/data/product/linux/freerdp.md) | RHEL 10 | 3.32.2-1.el10_3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [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-2026-114045](https://patchblox.com/security/data/cve/CVE-2026-114045.md) | High | freerdp3: FreeRDP before 3.32.1 contains a heap-based buffer overflow in the server-side rdpsnd channel because an integer wrap... | 8.8 | 0.0058 |  |
| [CVE-2026-121964](https://patchblox.com/security/data/cve/CVE-2026-121964.md) | High | freerdp3: FreeRDP before 3.32.2 contains a heap-based buffer overflow in the RD Gateway RPC client, where rpc_client_recv_fragm... | 8.8 | 0.0057 |  |
| [CVE-2026-121953](https://patchblox.com/security/data/cve/CVE-2026-121953.md) | High | freerdp3: FreeRDP before 3.32.2 has a use-after-free in the client's rdpgfx dynamic virtual channel: a duplicate-name channel w... | 8.8 | 0.0056 |  |
| [CVE-2026-121960](https://patchblox.com/security/data/cve/CVE-2026-121960.md) | High | freerdp3: FreeRDP before 3.32.2 contains a denial of service vulnerability in the NLA-enabled shadow server when a CredSSP TSRe... | 7.5 | 0.0056 |  |
| [CVE-2026-111378](https://patchblox.com/security/data/cve/CVE-2026-111378.md) | High | freerdp: ELSA-2026-94514: freerdp security, bug fix, and enhancement update (IMPORTANT) | 8.8 | 0.0052 |  |
| [CVE-2026-121952](https://patchblox.com/security/data/cve/CVE-2026-121952.md) | High | freerdp3: FreeRDP before 3.32.2 has an out-of-bounds write in the proxy because rdp_read_bitmap_cache_v2_capability_set rejects... | 8.1 | 0.0050 |  |
| [CVE-2026-121956](https://patchblox.com/security/data/cve/CVE-2026-121956.md) | High | freerdp3: FreeRDP before 3.32.2 contains a double free in the WinPR Kerberos SSPI retrieveSomeTgt function, which installs the... | 7.5 | 0.0043 |  |
| [CVE-2026-121951](https://patchblox.com/security/data/cve/CVE-2026-121951.md) | High | freerdp3: FreeRDP 3.0.0 before 3.32.2 server-side RDP peer input parsing skips the six-byte body of a slow-path input event wit... | 7.5 | 0.0042 |  |
| [CVE-2026-111382](https://patchblox.com/security/data/cve/CVE-2026-111382.md) | High | freerdp3: FreeRDP before 3.32.0 contains a client-side heap out-of-bounds write vulnerability in general_LumaToYUV444 and gener... | 8.8 | 0.0038 |  |
| [CVE-2026-110837](https://patchblox.com/security/data/cve/CVE-2026-110837.md) | High | freerdp: Backport several CVE fixes (CVE-2026-109242 | 8.8 | 0.0037 |  |
| [CVE-2026-121955](https://patchblox.com/security/data/cve/CVE-2026-121955.md) | High | freerdp3: FreeRDP before 3.32.2 contains a use-after-free vulnerability in Emulate_SCardReleaseContext that frees the emulated... | 7.5 | 0.0034 |  |
| [CVE-2026-121962](https://patchblox.com/security/data/cve/CVE-2026-121962.md) | High | freerdp3: FreeRDP before 3.32.2 contains a heap buffer overflow in transport_default_read_pdu when handling partial Early User... | 8.1 | 0.0033 |  |
| [CVE-2026-110838](https://patchblox.com/security/data/cve/CVE-2026-110838.md) | High | freerdp: ELSA-2026-94514: freerdp security, bug fix, and enhancement update (IMPORTANT) | 8.8 | 0.0033 |  |
| [CVE-2026-111880](https://patchblox.com/security/data/cve/CVE-2026-111880.md) | High | freerdp: Resolves: RHEL-282289, RHEL-283715, RHEL-286595 | 8.8 | 0.0032 |  |
| [CVE-2026-110830](https://patchblox.com/security/data/cve/CVE-2026-110830.md) | High | freerdp3-shadow-x11: FreeRDP before 3.32.0 fails to close prior serial handles in serial_process_irp_create, allowing a malicious RDP serv... | 8.8 | 0.0032 |  |
| [CVE-2026-110833](https://patchblox.com/security/data/cve/CVE-2026-110833.md) | High | freerdp: ELSA-2026-94514: freerdp security, bug fix, and enhancement update (IMPORTANT) | 8.8 | 0.0032 |  |
| [CVE-2026-121958](https://patchblox.com/security/data/cve/CVE-2026-121958.md) | High | freerdp3: FreeRDP through 3.32.1 has a heap out-of-bounds write in the RDPGFX client because the delete_surface callback trunca... | 8.8 | 0.0030 |  |
| [CVE-2026-109242](https://patchblox.com/security/data/cve/CVE-2026-109242.md) | High | freerdp3-shadow-x11: FreeRDP before 3.0.0 and 3.6.0 before 3.32.0 renders uninitialized heap memory from un-decoded progressive tiles beca... | 8.8 | 0.0030 |  |
| [CVE-2026-110839](https://patchblox.com/security/data/cve/CVE-2026-110839.md) | High | libwinpr-tools3-3: FreeRDP 3.3.0 before 3.32.0, when built with WINPR_UTILS_IMAGE_JPEG=ON, has a heap-based out-of-bounds write in winpr... | 8.8 | 0.0027 |  |
| [CVE-2026-121386](https://patchblox.com/security/data/cve/CVE-2026-121386.md) | High | freerdp3: FreeRDP before 3.32.2 contains a denial of service vulnerability in WinPR's winpr_read_png_from_buffer() and winpr_co... | 7.5 | 0.0027 |  |
| [CVE-2026-109676](https://patchblox.com/security/data/cve/CVE-2026-109676.md) | High | freerdp3-shadow-x11: FreeRDP from 3.0.0-beta1 before 3.32.0 contains a use-after-free vulnerability in smartcard handling that allows atta... | 8.8 | 0.0026 |  |
| [CVE-2026-121957](https://patchblox.com/security/data/cve/CVE-2026-121957.md) | High | freerdp3: FreeRDP before 3.32.2 contains a use-after-free vulnerability that allows malicious RDP servers to corrupt client mem... | 7.5 | 0.0024 |  |
| [CVE-2026-111379](https://patchblox.com/security/data/cve/CVE-2026-111379.md) | High | freerdp: ELSA-2026-94514: freerdp security, bug fix, and enhancement update (IMPORTANT) | 8.8 | 0.0019 |  |
| [CVE-2026-111381](https://patchblox.com/security/data/cve/CVE-2026-111381.md) | High | freerdp: ELSA-2026-94514: freerdp security, bug fix, and enhancement update (IMPORTANT) | 8.8 | 0.0018 |  |
| [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-2026-121404](https://patchblox.com/security/data/cve/CVE-2026-121404.md) | Routine | freerdp3: FreeRDP before 3.32.2 contains a denial of service vulnerability in the shadow server that allows authenticated RDP c... | 6.5 | 0.0038 |  |
| [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-2026-121954](https://patchblox.com/security/data/cve/CVE-2026-121954.md) | Routine | freerdp3: FreeRDP before 3.32.2 has a heap out-of-bounds write in the planar codec because freerdp_bitmap_planar_context_reset... | 6.5 | 0.0035 |  |
| [CVE-2026-121950](https://patchblox.com/security/data/cve/CVE-2026-121950.md) | Routine | freerdp3: FreeRDP before 3.32.2 does not check the product of surface dimensions in gdi_CreateSurface when handling an RDPGFX C... | 6.5 | 0.0034 |  |
| [CVE-2026-121959](https://patchblox.com/security/data/cve/CVE-2026-121959.md) | Routine | freerdp3: FreeRDP before 3.32.2 contains an infinite loop vulnerability in websocket_context_read that fails to handle a zero B... | 6.5 | 0.0031 |  |
| [CVE-2026-121963](https://patchblox.com/security/data/cve/CVE-2026-121963.md) | Routine | freerdp3: FreeRDP before 3.32.2 contains a use-after-free vulnerability in the asynchronous dynamic rdpsnd channel that allows... | 5.9 | 0.0031 |  |
| [CVE-2026-121388](https://patchblox.com/security/data/cve/CVE-2026-121388.md) | Routine | freerdp3: FreeRDP from 3.0.0 before 3.32.2 contains an uncontrolled resource allocation vulnerability that allows malicious RDP... | 6.5 | 0.0031 |  |
| [CVE-2026-121961](https://patchblox.com/security/data/cve/CVE-2026-121961.md) | Routine | freerdp3: FreeRDP before 3.32.2 contains a use-after-free vulnerability in the freerdp-proxy DRDYNVC tracker when intercepting... | 5.9 | 0.0031 |  |
| [CVE-2026-121394](https://patchblox.com/security/data/cve/CVE-2026-121394.md) | Routine | freerdp3: FreeRDP from 3.11.0 before 3.32.2 contains an assertion failure in the RemoteFX RLGR decoder that allows malicious se... | 6.5 | 0.0025 |  |
| [CVE-2026-121402](https://patchblox.com/security/data/cve/CVE-2026-121402.md) | Routine | freerdp3: FreeRDP before 3.32.2 contains a NULL pointer dereference vulnerability that allows malicious RDP servers to crash xf... | 6.5 | 0.0025 |  |

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