{"id":"CVE-2026-65976","title":"Deskflow is a keyboard and mouse sharing app","summary":"Deskflow is a keyboard and mouse sharing app. From 1.17.0 until continuous build 1.26.0.300, a connected peer can send repeated DCLP DataChunk messages to ClipboardChunk::assemble() in src/lib/deskflow/ClipboardChunk.cpp, causing the ser…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-400"],"published":"2026-08-17","updated":"2026-09-09","sourceUpdated":"2026-09-09T21:11:46.833","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-65976","references":[{"url":"https://github.com/deskflow/deskflow/commit/8a535fd5dd48315eaaf6b93d5c7534d0592addef","label":"security-advisories@github.com"},{"url":"https://github.com/deskflow/deskflow/commit/bcd3a658fc3b2ad735146fdc9efefa9462d195b7","label":"security-advisories@github.com"},{"url":"https://github.com/deskflow/deskflow/security/advisories/GHSA-jf7g-qghg-p54x","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00311,"epssPercentile":0.24117,"ingestedAt":"2026-09-09T21:22:45.536Z","slug":"CVE-2026-65976","body":"## Overview\n\nDeskflow is a keyboard and mouse sharing app. From 1.17.0 until continuous build 1.26.0.300, a connected peer can send repeated DCLP DataChunk messages to ClipboardChunk::assemble() in src/lib/deskflow/ClipboardChunk.cpp, causing the server path in src/lib/server/ClientProxy1_6.cpp or client path in src/lib/client/ServerProxy.cpp to append data beyond the DataStart declared size and configured clipboard limit before DataEnd validation, exhausting receiver memory. This issue is fixed in continuous build 1.26.0.300.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}