CVE-2022-39283— FreeRDP may read and display out of bounds data
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 2.8.1之前版本存在缓冲区错误漏洞，该漏洞源于所有基于FreeRDP的客户端在使用/video命令行开关时可能会读取未初始化的数据，将其解码为音频/视频并显示结果。
Possible ATT&CK Techniques 1 AI
T1200 · Hardware Additions
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I. Basic Information for CVE-2022-39283
Vulnerability Information
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Vulnerability Title
FreeRDP may read and display out of bounds data
Source: CVE Program / CVE List V5
Vulnerability Description
FreeRDP is a free remote desktop protocol library and clients. All FreeRDP based clients when using the `/video` command line switch might read uninitialized data, decode it as audio/video and display the result. FreeRDP based server implementations are not affected. This issue has been patched in version 2.8.1. If you cannot upgrade do not use the `/video` switch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
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 2.8.1之前版本存在缓冲区错误漏洞，该漏洞源于所有基于FreeRDP的客户端在使用/video命令行开关时可能会读取未初始化的数据，将其解码为音频/视频并显示结果。
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-2022-39283
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Vendor Advisories for CVE-2022-39283 (2)
-
https://security.gentoo.org/glsa/202210-24 vendor-advisory
Mailing List Discussions for CVE-2022-39283 (4)
Other References for CVE-2022-39283 (1)
IV. Related Vulnerabilities
Same product: FreeRDP
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CVE-2026-63633
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CVE-2026-55194
FreeRDPHeap-buffer-overflow write in TS Gateway RPC RESPONSE
Same vendor: FreeRDP
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CVE-2026-63633
FreeRDP: Heap buffer overflow in Opus audio decode (`freerdp -
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CVE-2026-63117
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CVE-2026-55192
FreeRDP: Out-of-bounds read in H.264 YUV-to-RGB conversion d -
CVE-2026-55194
FreeRDPHeap-buffer-overflow write in TS Gateway RPC RESPONSE
Same weakness: CWE-125
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V. Comments for CVE-2022-39283
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