CVE-2026-22857— FreeRDP has a heap-use-after-free in irp_thread_func
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I. Basic Information for CVE-2026-22857
Vulnerability Information
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Vulnerability Title
FreeRDP has a heap-use-after-free in irp_thread_func
Source: NVD (National Vulnerability Database)
Vulnerability Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap use-after-free occurs in irp_thread_func because the IRP is freed by irp->Complete() and then accessed again on the error path. This vulnerability is fixed in 3.20.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
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 3.20.1之前版本存在资源管理错误漏洞，该漏洞源于irp_thread_func中，IRP被irp->Complete()释放后又在错误路径上被访问，可能导致堆释放后重用。
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
II. Public POCs for CVE-2026-22857
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- Heap-use-after-free in irp_thread_func · Advisory · FreeRDP/FreeRDP · GitHubx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-22857
Same Patch Batch · FreeRDP · 2026-01-14 · 9 CVEs total
| CVE-2026-22852 | FreeRDP has a heap-buffer-overflow in audin_process_formats | |
| CVE-2026-22853 | FreeRDP has a heap-buffer-overflow in ndr_read_uint8Array | |
| CVE-2026-22851 | FreeRDP RDPGFX ResetGraphics race leads to use-after-free in SDL client (sdl->primary) | |
| CVE-2026-22854 | FreeRDP has a heap-buffer-overflow in drive_process_irp_read | |
| CVE-2026-22855 | FreeRDP has a heap-buffer-overflow in smartcard_unpack_set_attrib_call | |
| CVE-2026-22858 | FreeRDP has a global-buffer-overflow in crypto_base64_decode | |
| CVE-2026-22856 | FreeRDP has a heap-use-after-free in create_irp_thread | |
| CVE-2026-22859 | FreeRDP has a heap-buffer-overflow in urb_select_configuration |
IV. Related Vulnerabilities
Same product: FreeRDP
- CVE-2026-40254
FreeRDP: contains_dotdot() off-by-one allows drive channel p - CVE-2026-33995
FreeRDP: Possible double free in kerberos_AcceptSecurityCont - CVE-2026-33987
FreeRDP: Persistent Cache bmpSize Desync - Heap OOB Write - CVE-2026-33986
FreeRDP: H.264 YUV Buffer Dimension Desync - Heap OOB Write - CVE-2026-33985
FreeRDP: ClearCodec Glyph Cache Count Desync - Heap OOB Read
Same vendor: FreeRDP
- CVE-2026-40254
FreeRDP: contains_dotdot() off-by-one allows drive channel p - CVE-2026-33995
FreeRDP: Possible double free in kerberos_AcceptSecurityCont - CVE-2026-33987
FreeRDP: Persistent Cache bmpSize Desync - Heap OOB Write - CVE-2026-33986
FreeRDP: H.264 YUV Buffer Dimension Desync - Heap OOB Write - CVE-2026-33985
FreeRDP: ClearCodec Glyph Cache Count Desync - Heap OOB Read
V. Comments for CVE-2026-22857
Anonymous User
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