# OPENSUSE-SU-2026:20339-1: freerdp security update

OPENSUSE-SU-2026:20339-1, released March 10, 2026, fixes 44 CVEs in freerdp (version 3.22.0-160000.1.1). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/opensuse-su-2026-20339-1
- Platform: Linux
- Released: Mar 10, 2026
- Priority: Urgent (Closes CVE-2026-24677, rated Critical)
- CVEs: 44, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/openSUSE-SU-2026:20339-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [freerdp](https://patchblox.com/security/data/product/linux/freerdp.md) | opensuse-leap 16.0 | 3.22.0-160000.1.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-24677](https://patchblox.com/security/data/cve/CVE-2026-24677.md) | Urgent | freerdp: heap-buffer-overflow in ecam_encoder_compress_h264 (bsc#1257984). | 9.1 | 0.0055 |  |
| [CVE-2024-32459](https://patchblox.com/security/data/cve/CVE-2024-32459.md) | High | libwinpr-tools3-3: FreeRDP is a free implementation of the Remote Desktop Protocol | 9.8 | 0.0372 |  |
| [CVE-2024-32039](https://patchblox.com/security/data/cve/CVE-2024-32039.md) | High | libfreerdp-client3-3: FreeRDP is a free implementation of the Remote Desktop Protocol | 9.8 | 0.0228 |  |
| [CVE-2024-32458](https://patchblox.com/security/data/cve/CVE-2024-32458.md) | High | freerdp3-shadow-x11: FreeRDP is a free implementation of the Remote Desktop Protocol | 9.8 | 0.0194 |  |
| [CVE-2024-32041](https://patchblox.com/security/data/cve/CVE-2024-32041.md) | High | freerdp3-shadow-x11: FreeRDP is a free implementation of the Remote Desktop Protocol | 9.8 | 0.0193 |  |
| [CVE-2024-32040](https://patchblox.com/security/data/cve/CVE-2024-32040.md) | High | freerdp3-shadow-x11: FreeRDP is a free implementation of the Remote Desktop Protocol | 9.8 | 0.0191 |  |
| [CVE-2024-32460](https://patchblox.com/security/data/cve/CVE-2024-32460.md) | High | libfreerdp3-3: FreeRDP is a free implementation of the Remote Desktop Protocol | 9.8 | 0.0191 |  |
| [CVE-2024-32658](https://patchblox.com/security/data/cve/CVE-2024-32658.md) | High | libfreerdp3-3: FreeRDP is a free implementation of the Remote Desktop Protocol | 9.8 | 0.0136 |  |
| [CVE-2024-32661](https://patchblox.com/security/data/cve/CVE-2024-32661.md) | High | freerdp3-shadow-x11: FreeRDP is a free implementation of the Remote Desktop Protocol | 7.5 | 0.0121 |  |
| [CVE-2024-32659](https://patchblox.com/security/data/cve/CVE-2024-32659.md) | High | freerdp3-shadow-x11: FreeRDP is a free implementation of the Remote Desktop Protocol | 9.8 | 0.0118 |  |
| [CVE-2024-32660](https://patchblox.com/security/data/cve/CVE-2024-32660.md) | High | freerdp3-shadow-x11: FreeRDP is a free implementation of the Remote Desktop Protocol | 7.5 | 0.0117 |  |
| [CVE-2024-22211](https://patchblox.com/security/data/cve/CVE-2024-22211.md) | High | freerdp: Fixed integer overflow in `freerdp_bitmap_planar_context_reset` that could lead to heap-buffer overflow (bsc#1219049) | 9.8 | 0.0108 |  |
| [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-2026-22853](https://patchblox.com/security/data/cve/CVE-2026-22853.md) | High | freerdp: Fixed heap-buffer-overflow in ndr_read_uint8Array | 9.8 | 0.0078 |  |
| [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-2026-24678](https://patchblox.com/security/data/cve/CVE-2026-24678.md) | High | freerdp: heap-use-after-free in cam_v4l_stream_capture_thread (bsc#1257985). | 8.1 | 0.0070 |  |
| [CVE-2026-24684](https://patchblox.com/security/data/cve/CVE-2026-24684.md) | High | freerdp: Heap-use-after-free in play_thread (bsc#1257991). | 8.8 | 0.0060 |  |
| [CVE-2026-23732](https://patchblox.com/security/data/cve/CVE-2026-23732.md) | High | freerdp: improper validation can lead to heap buffer overflow in `Glyph_Alloc` (bsc#1256945). | 8.8 | 0.0058 |  |
| [CVE-2026-24679](https://patchblox.com/security/data/cve/CVE-2026-24679.md) | High | freerdp: heap-buffer-overflow in urb_select_interface (bsc#1257986). | 9.1 | 0.0055 |  |
| [CVE-2025-4478](https://patchblox.com/security/data/cve/CVE-2025-4478.md) | High | freerdp: Fixed initialization of function pointers after | 7.1 | 0.0054 |  |
| [CVE-2026-23530](https://patchblox.com/security/data/cve/CVE-2026-23530.md) | High | freerdp: improper validation can lead to heap buffer overflow in `planar_decompress_plane_rle` (bsc#1256940). | 9.8 | 0.0053 |  |
| [CVE-2026-23531](https://patchblox.com/security/data/cve/CVE-2026-23531.md) | High | freerdp: improper validation in `clear_decompress` can lead to heap buffer overflow (bsc#1256941). | 9.8 | 0.0053 |  |
| [CVE-2026-23532](https://patchblox.com/security/data/cve/CVE-2026-23532.md) | High | freerdp: mismatch between destination rectangle clamping and the actual copy size can lead to a heap buffer | 9.8 | 0.0053 |  |
| [CVE-2026-23533](https://patchblox.com/security/data/cve/CVE-2026-23533.md) | High | freerdp: improper validation can lead to heap buffer overflow in `clear_decompress_residual_data` | 9.8 | 0.0053 |  |
| [CVE-2026-23534](https://patchblox.com/security/data/cve/CVE-2026-23534.md) | High | freerdp: missing checks can lead to heap buffer overflow in `clear_decompress_bands_data` (bsc#1256944). | 9.8 | 0.0053 |  |
| [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-2026-23948](https://patchblox.com/security/data/cve/CVE-2026-23948.md) | High | freerdp: @ehdgks0627 did some more fuzzying and found quite a number of client side bugs. | 8.8 | 0.0052 |  |
| [CVE-2026-24491](https://patchblox.com/security/data/cve/CVE-2026-24491.md) | High | freerdp: Security update for freerdp | 8.8 | 0.0052 |  |
| [CVE-2026-24675](https://patchblox.com/security/data/cve/CVE-2026-24675.md) | High | freerdp: heap-use-after-free in urb_select_interface (bsc#1257982). | 8.8 | 0.0052 |  |
| [CVE-2026-24676](https://patchblox.com/security/data/cve/CVE-2026-24676.md) | High | freerdp: heap-use-after-free in audio_format_compatible (bsc#1257983). | 8.8 | 0.0052 |  |
| [CVE-2026-24681](https://patchblox.com/security/data/cve/CVE-2026-24681.md) | High | freerdp: heap-use-after-free in urb_bulk_transfer_cb (bsc#1257988). | 8.8 | 0.0052 |  |
| [CVE-2026-24682](https://patchblox.com/security/data/cve/CVE-2026-24682.md) | High | freerdp: heap-buffer-overflow in audio_formats_free (bsc#1257989). | 8.8 | 0.0052 |  |
| [CVE-2026-24683](https://patchblox.com/security/data/cve/CVE-2026-24683.md) | High | freerdp: heap-use-after-free in ainput_send_input_event (bsc#1257990). | 8.8 | 0.0052 |  |
| [CVE-2026-23883](https://patchblox.com/security/data/cve/CVE-2026-23883.md) | High | freerdp: use-after-free when `update_pointer_color` and `freerdp_image_copy_from_pointer_data` fail | 9.8 | 0.0048 |  |
| [CVE-2026-23884](https://patchblox.com/security/data/cve/CVE-2026-23884.md) | High | freerdp: use-after-free in `gdi_set_bounds` (bsc#1256947). | 9.8 | 0.0048 |  |
| [CVE-2026-24680](https://patchblox.com/security/data/cve/CVE-2026-24680.md) | High | freerdp: heap-use-after-free in update_pointer_new(SDL) (bsc#1257987). | 7.5 | 0.0047 |  |
| [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-2023-40575](https://patchblox.com/security/data/cve/CVE-2023-40575.md) | Routine | freerdp: Fix - bsc#1214870: Out-Of-Bounds Read in general_YUV444ToRGB_8u_P3AC4R_BGRX | n/a | 0.0127 |  |
| [CVE-2023-40576](https://patchblox.com/security/data/cve/CVE-2023-40576.md) | Routine | freerdp: Fix - bsc#1214871: Out-Of-Bounds Read in RleDecompress | n/a | 0.0124 |  |
| [CVE-2023-40574](https://patchblox.com/security/data/cve/CVE-2023-40574.md) | Routine | freerdp: Fix - bsc#1214869: Out-Of-Bounds Write in general_YUV444ToRGB_8u_P3AC4R_BGRX | n/a | 0.0121 |  |
| [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 2026-11-11T13:47:35Z 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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