CVE-2022-41877— Missing input length validation in `drive` channel in FreeRDP
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I. Basic Information for CVE-2022-41877
Vulnerability Information
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Vulnerability Title
Missing input length validation in `drive` channel in FreeRDP
Source: NVD (National Vulnerability Database)
Vulnerability Description
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input length validation in `drive` channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the drive redirection channel - command line options `/drive`, `+drives` or `+home-drive`.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
FreeRDP 缓冲区错误漏洞
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存在缓冲区错误漏洞，该漏洞源于“drive”通道中缺少输入长度验证。
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-2022-41877
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- https://security.gentoo.org/glsa/202401-16vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-41877
Same Patch Batch · FreeRDP · 2022-11-16 · 7 CVEs total
| CVE-2022-39320 | 5.5 MEDIUM | Heap buffer overflow in urbdrc channel |
| CVE-2022-39316 | 4.8 MEDIUM | Out of bound read in FreeRDP |
| CVE-2022-39318 | 4.8 MEDIUM | Division by zero in urbdrc channel in FreeRDP |
| CVE-2022-39317 | 4.6 MEDIUM | Out of bounds read in zgfx decoder in FreeRDP |
| CVE-2022-39319 | 4.6 MEDIUM | Missing length validation in urbdrc channel in FreeRDP |
| CVE-2022-39347 | 2.6 LOW | Missing path sanitation with `drive` channel in FreeRDP |
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
Same weakness: CWE-119
- CVE-2026-22167
GPU DDK - Cache resident PM buffers writable by other GPU re - CVE-2026-27890
Firebird has Pre-Auth DOS when Processing Out of Order CNCT_ - CVE-2026-34864
Huawei HarmonyOS 安全漏洞 - CVE-2026-4149
Sonos Era 300 SMB Response Out-Of-Bounds Access Remote Code - CVE-2026-34988
Wasmtime leaks data between pooling allocator instances
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