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CVE-2026-24684— FreeRDP has a Heap-use-after-free in play_thread

Quick assessment

Affected
FreeRDP FreeRDP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FreeRDP是FreeRDP团队的一款开源的远程桌面协议（RDP）的实现。 FreeRDP 3.22.0之前版本存在资源管理错误漏洞，该漏洞源于RDPSND异步播放线程可在通道关闭且内部状态释放后处理排队的PDU，可能导致释放后重用。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.61% · P47
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I. Basic Information for CVE-2026-24684

Vulnerability Information
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Vulnerability Title
FreeRDP has a Heap-use-after-free in play_thread
Source: CVE Program / CVE List V5
Vulnerability Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, the RDPSND async playback thread can process queued PDUs after the channel is closed and internal state is freed, leading to a use after free in rdpsnd_treat_wave. This vulnerability is fixed in 3.22.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
FreeRDP 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeRDP是FreeRDP团队的一款开源的远程桌面协议（RDP）的实现。 FreeRDP 3.22.0之前版本存在资源管理错误漏洞，该漏洞源于RDPSND异步播放线程可在通道关闭且内部状态释放后处理排队的PDU，可能导致释放后重用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
FreeRDP FreeRDP < 3.22.0 -

II. Public POCs for CVE-2026-24684

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III. Intelligence Information for CVE-2026-24684

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Same Patch Batch · FreeRDP · 2026-02-09 · 12 CVEs total

CVE-2026-24683 FreeRDP has a heap-use-after-free in ainput_send_input_event
CVE-2026-24682 FreeRDP has a Heap-buffer-overflow in audio_formats_free
CVE-2026-24681 FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb
CVE-2026-24680 FreeRDP has a heap-use-after-free in update_pointer_new(SDL)
CVE-2026-24679 FreeRDP has a heap-buffer-overflow in urb_select_interface
CVE-2026-24678 FreeRDP has a Heap-use-after-free in cam_v4l_stream_capture_thread
CVE-2026-24677 FreeRDP has a heap-buffer-overflow in ecam_encoder_compress_h264
CVE-2026-24676 FreeRDP has a heap-use-after-free in audio_format_compatible
CVE-2026-24675 FreeRDP has a Heap-use-after-free in urb_select_interface
CVE-2026-24491 FreeRDP has a heap-use-after-free in video_timer
CVE-2026-23948 FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2()

IV. Related Vulnerabilities

Same product: FreeRDP
Same vendor: FreeRDP
Same weakness: CWE-416

V. Comments for CVE-2026-24684

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