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deskflow

Mouse and keyboard sharing utility

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general
  • source: deskflow (main)
  • version: 1.27.0+dfsg-1
  • maintainer: HAYASHI Kentaro (DMD)
  • arch: any
  • std-ver: 4.7.4
  • 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-5
  • unstable: 1.27.0+dfsg-1
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-5: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
  • 1.27.0+dfsg-1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
binaries
  • deskflow (1 bugs: 0, 1, 0, 0)
action needed
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Either you need to push your commits and/or your tags, or the information about the package's VCS are out of date.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: 2026-10-10 Last update: 2026-10-10 16:33
lintian reports 4 warnings normal
Lintian reports 4 warnings about this package. You should make the package lintian clean getting rid of them.
Created: 2026-08-26 Last update: 2026-10-11 00:02
5 low-priority security issues in trixie low

There are 5 open security issues in trixie.

5 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.
  • CVE-2026-63409: (needs triaging) Deskflow is a keyboard and mouse sharing app. From 1.17.0 until continuous build 1.26.0.296, a malicious Deskflow server can send an odd-length DSOP vector to ServerProxy::setOptions() in src/lib/client/ServerProxy.cpp, causing the missing value after the final option key to be read beyond the vector during the PacketStreamFilter::filterEvent to ServerProxy::handleData() to ServerProxy::parseHandshakeMessage() call chain and crash the connected client. This issue is fixed in continuous build 1.26.0.296.
  • CVE-2026-65832: (needs triaging) Deskflow is a keyboard and mouse sharing app. Prior to continuous build 1.26.0.299, a remote unauthenticated Deskflow server can send kMsgDSetOptions (DSOP) values to ServerProxy::setOptions() in src/lib/client/ServerProxy.cpp so that the value following a modifier option poisons m_modifierTranslationTable, after which ServerProxy::translateKey() or ServerProxy::translateModifierMask() indexes the seven-row s_translationTable or s_masks arrays out of bounds, disclosing four bytes at an attacker-selected relative offset or crashing the connected client; an odd option count also causes an out-of-bounds OptionsList read. This issue is fixed in continuous build 1.26.0.299.
  • CVE-2026-65976: (needs triaging) 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 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.

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

Created: 2026-04-25 Last update: 2026-10-10 18:19
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.
  • excuses:
    • Migration status for deskflow (1.26.0+dfsg-5 to 1.27.0+dfsg-1): Waiting for test results or another package, or too young (no action required now - check later)
    • Issues preventing migration:
    • ∙ ∙ Autopkgtest for deskflow/1.27.0+dfsg-1: amd64: Pass, arm64: Pass, armhf: Pass, ppc64el: Pass, riscv64: Test triggered, s390x: Pass
    • ∙ ∙ Lintian check waiting for test results on riscv64 - info
    • ∙ ∙ Too young, only 1 of 5 days old
    • Additional info (not blocking):
    • ∙ ∙ Piuparts tested OK - https://piuparts.debian.org/sid/source/d/deskflow.html
    • ∙ ∙ Reproduced on amd64 - info
    • ∙ ∙ Reproduced on arm64 - info
    • ∙ ∙ Reproduced on armhf - info
    • ∙ ∙ Reproduced on i386 - info
    • Not considered
news
[rss feed]
  • [2026-10-10] Accepted deskflow 1.27.0+dfsg-1 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2026-09-02] deskflow 1.26.0+dfsg-5 MIGRATED to testing (Debian testing watch)
  • [2026-08-30] Accepted deskflow 1.26.0+dfsg-5 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2026-08-30] deskflow 1.26.0+dfsg-4 MIGRATED to testing (Debian testing watch)
  • [2026-08-26] Accepted deskflow 1.26.0+dfsg-4 (source) into unstable (Kentaro Hayashi) (signed by: HAYASHI Kentaro)
  • [2026-05-22] deskflow 1.26.0+dfsg-3 MIGRATED to testing (Debian testing watch)
  • [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)
  • 1
  • 2
bugs [bug history graph]
  • all: 1
  • RC: 0
  • I&N: 1
  • M&W: 0
  • F&P: 0
  • patch: 0
links
  • homepage
  • lintian (0, 4)
  • buildd: logs, reproducibility, cross
  • popcon
  • browse source code
  • other distros
  • security tracker
  • debian patches
  • debci
ubuntu Ubuntu logo [Information about Ubuntu for Debian Developers]
  • version: 1.26.0+dfsg-5ubuntu1
  • patches for 1.26.0+dfsg-5ubuntu1

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