CVE-2026-41476— Deskflow: clipboard deserialization global-buffer-overflow
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I. Basic Information for CVE-2026-41476
Vulnerability Information
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Vulnerability Title
Deskflow: clipboard deserialization global-buffer-overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
Deskflow is a keyboard and mouse sharing app. Prior to 1.26.0.138, a remote memory-safety vulnerability in Deskflow's clipboard deserialization allows a connected peer to trigger an out-of-bounds read by sending a malformed clipboard update. The issue is in the implementation of src/lib/deskflow/IClipboard.cpp. This is reachable because ClipboardChunk::assemble() in src/lib/deskflow/ClipboardChunk.cpp validates only the outer clipboard transfer size. It does not validate the internal structure of the serialized clipboard blob, so malformed inner lengths reach IClipboard::unmarshall() unchanged. This vulnerability is fixed in 1.26.0.138.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
deskflow 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
deskflow是Deskflow开源的一款跨设备键盘鼠标共享工具。 Deskflow 1.26.0.138之前版本存在安全漏洞，该漏洞源于剪贴板反序列化中的远程内存安全漏洞，允许连接的同伴通过发送格式错误的剪贴板更新触发越界读取。
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-2026-41476
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IV. Related Vulnerabilities
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