EUVD-2026-25622CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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8DescriptionNVD
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.
AnalysisAI
Out-of-bounds memory read in Deskflow's clipboard deserialization allows authenticated remote peers to crash the application or potentially leak memory contents. The vulnerability affects versions prior to 1.26.0.138 and stems from insufficient validation of clipboard data structure during network transfer between connected machines. …
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RemediationAI
Within 24 hours: Inventory all Deskflow deployments and document current versions in use. Within 7 days: Restrict Deskflow network connectivity to trusted peer systems only via firewall rules; disable clipboard synchronization if operationally feasible. …
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