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Solution
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Wed, 13 May 2026 13:15:00 +0000
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| Metrics |
ssvc
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Wed, 13 May 2026 01:45:00 +0000
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| First Time appeared |
Deskflow
Deskflow deskflow |
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| Vendors & Products |
Deskflow
Deskflow deskflow |
Tue, 12 May 2026 21:30:00 +0000
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| Description | Deskflow is a keyboard and mouse sharing app. Prior to 1.26.0.167, a remote, unauthenticated denial of service (DoS) vulnerability affects Deskflow servers running with TLS enabled (the default). When any TCP peer connects to the listening port and its first bytes do not parse as a valid TLS ClientHello, SecureSocket::secureAccept enters its fatal-error branch and calls Arch::sleep(1) (a blocking 1-second sleep) on the multiplexer worker thread. That thread services every socket on the server, including established TLS clients delivering mouse motion, keyboard events, and clipboard updates. A single failed handshake therefore stalls input delivery to all connected screens for ~1 second, and a sustained drip of malformed connections (≥ 1/s) makes the server effectively unusable while the attack persists. This vulnerability is fixed in 1.26.0.167. | |
| Title | Deskflow: TLS multiplexer DoS on failed `SSL_accept` | |
| Weaknesses | CWE-400 CWE-405 |
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| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-05-13T12:18:55.085Z
Reserved: 2026-05-05T17:39:31.113Z
Link: CVE-2026-44296
Updated: 2026-05-13T12:17:04.617Z
Status : Deferred
Published: 2026-05-12T22:16:36.707
Modified: 2026-05-13T16:10:57.817
Link: CVE-2026-44296
No data.
OpenCVE Enrichment
Updated: 2026-05-13T01:30:06Z