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Vulnerability record · CVE-2026-65832 · published 17 August 2026

CVE-2026-65832: Out-of-bounds read vulnerability

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.

8.2 CVSS 3.1 High EPSS 0.55% · top 56.2% CWE-125 · Out-of-bounds readCWE-129 · CWE-129 Deferred
8.2CVSS 3.1 base score
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
9 Sep 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

References

LinkTags
https://github.com/deskflow/deskflow/commit/205a3c803e5298d56683660736ec1a41b671b56e
https://github.com/deskflow/deskflow/commit/8266fbbe6af93fa370018886c7f1f35d2cee8b3f
https://github.com/deskflow/deskflow/security/advisories/GHSA-8rcq-7w87-h64j
https://github.com/deskflow/deskflow/security/advisories/GHSA-8rcq-7w87-h64j

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Source: NIST National Vulnerability Database (record CVE-2026-65832), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.