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deskflow

Mouse and keyboard sharing utility

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general
  • source: deskflow (main)
  • version: 1.26.0+dfsg-3
  • maintainer: HAYASHI Kentaro (DMD)
  • arch: any
  • std-ver: 4.7.3
  • VCS: Git (Browse, QA)
versions [more versions can be listed by madison] [old versions available from snapshot.debian.org]
[pool directory]
  • stable: 1.22.0+dfsg-7
  • testing: 1.26.0+dfsg-2
  • unstable: 1.26.0+dfsg-3
versioned links
  • 1.22.0+dfsg-7: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
  • 1.26.0+dfsg-2: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
  • 1.26.0+dfsg-3: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
binaries
  • deskflow
action needed
Marked for autoremoval on 16 June due to cmark-gfm: #1112797, #1125525 high
Version 1.26.0+dfsg-2 of deskflow is marked for autoremoval from testing on Tue 16 Jun 2026. It depends (transitively) on cmark-gfm, affected by #1112797, #1125525. You should try to prevent the removal by fixing these RC bugs.
Created: 2026-05-17 Last update: 2026-05-19 01:30
1 security issue in forky high

There is 1 open security issue in forky.

1 important issue:
  • CVE-2026-44296: 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.
Created: 2026-04-25 Last update: 2026-05-18 18:31
The VCS repository is not up to date, push the missing commits. high
vcswatch reports that the current version of the package is not in its VCS.
Either you need to push your commits and/or your tags, or the information about the package's VCS are out of date. A common cause of the latter issue when using the Git VCS is not specifying the correct branch when the packaging is not in the default one (remote HEAD branch), which is usually "master" but can be modified in salsa.debian.org in the project's general settings with the "Default Branch" field). Alternatively the Vcs-Git field in debian/control can contain a "-b <branch-name>" suffix to indicate what branch is used for the Debian packaging.
Created: 2026-05-18 Last update: 2026-05-18 15:00
lintian reports 3 warnings normal
Lintian reports 3 warnings about this package. You should make the package lintian clean getting rid of them.
Created: 2025-09-17 Last update: 2025-10-18 16:31
debian/patches: 2 patches to forward upstream low

Among the 3 debian patches available in version 1.26.0+dfsg-3 of the package, we noticed the following issues:

  • 2 patches where the metadata indicates that the patch has not yet been forwarded upstream. You should either forward the patch upstream or update the metadata to document its real status.
Created: 2026-05-10 Last update: 2026-05-18 23:44
2 low-priority security issues in trixie low

There are 2 open security issues in trixie.

2 issues left for the package maintainer to handle:
  • CVE-2026-41476: (needs triaging) 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.
  • CVE-2026-44296: (needs triaging) 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.

You can find information about how to handle these issues in the security team's documentation.

Created: 2026-04-25 Last update: 2026-05-18 18:31
Standards version of the package is outdated. wishlist
The package should be updated to follow the last version of Debian Policy (Standards-Version 4.7.4 instead of 4.7.3).
Created: 2026-03-31 Last update: 2026-05-18 19:31
testing migrations
  • This package will soon be part of the auto-openssl transition. You might want to ensure that your package is ready for it. You can probably find supplementary information in the debian-release archives or in the corresponding release.debian.org bug.
news
[rss feed]
  • [2026-05-18] Accepted deskflow 1.26.0+dfsg-3 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2026-05-18] deskflow 1.26.0+dfsg-2 MIGRATED to testing (Debian testing watch)
  • [2026-05-09] Accepted deskflow 1.26.0+dfsg-2 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2026-02-24] deskflow 1.26.0+dfsg-1 MIGRATED to testing (Debian testing watch)
  • [2026-02-21] Accepted deskflow 1.26.0+dfsg-1 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-12-22] deskflow 1.25.0+dfsg-3 MIGRATED to testing (Debian testing watch)
  • [2025-12-20] Accepted deskflow 1.25.0+dfsg-3 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-12-10] deskflow 1.25.0+dfsg-2 MIGRATED to testing (Debian testing watch)
  • [2025-11-26] Accepted deskflow 1.25.0+dfsg-2 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-11-25] Accepted deskflow 1.25.0+dfsg-1 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-09-19] deskflow 1.24.0+dfsg-2 MIGRATED to testing (Debian testing watch)
  • [2025-09-16] Accepted deskflow 1.24.0+dfsg-2 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-09-16] Accepted deskflow 1.24.0+dfsg-1 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-08-22] deskflow 1.23.0+dfsg-2 MIGRATED to testing (Debian testing watch)
  • [2025-08-19] Accepted deskflow 1.23.0+dfsg-2 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-08-14] deskflow 1.23.0+dfsg-1 MIGRATED to testing (Debian testing watch)
  • [2025-08-09] Accepted deskflow 1.23.0+dfsg-1 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-07-22] deskflow 1.22.0+dfsg-7 MIGRATED to testing (Debian testing watch)
  • [2025-07-02] Accepted deskflow 1.22.0+dfsg-7 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-07-02] Accepted deskflow 1.22.0+dfsg-6 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-07-01] Accepted deskflow 1.22.0+dfsg-5 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-06-30] Accepted deskflow 1.22.0+dfsg-4 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-06-02] Accepted deskflow 1.22.0+dfsg-3 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-06-01] Accepted deskflow 1.22.0+dfsg-2 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-06-01] Accepted deskflow 1.22.0+dfsg-1 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-05-09] deskflow 1.21.2+dfsg-1 MIGRATED to testing (Debian testing watch)
  • [2025-04-29] Accepted deskflow 1.21.2+dfsg-1 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-04-08] deskflow 1.21.1+dfsg-1 MIGRATED to testing (Debian testing watch)
  • [2025-04-02] Accepted deskflow 1.21.1+dfsg-1 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2025-03-29] Accepted deskflow 1.21.0+dfsg-1 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
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bugs [bug history graph]
  • all: 0
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  • version: 1.26.0+dfsg-1

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