{"id":"CVE-2026-65832","aliases":["DEBIAN-CVE-2026-65832","EUVD-2026-60464","GHSA-8rcq-7w87-h64j","UBUNTU-CVE-2026-65832"],"status":"published","title":"Deskflow - Unauthenticated server-controlled out-of-bounds read in ServerProxy::setOptions / translateKey modifier-table indexing","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.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00551,"percentile":0.46534,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125","CWE-129"],"published":"2026-08-17T20:59:08Z","modified":"2026-11-11T02:48:08Z","fixes":[{"ecosystem":"Debian:14","package":"deskflow","fixed_in":["1.26.0+dfsg-4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"deskflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.22.0+dfsg-7","1.23.0+dfsg-1","1.23.0+dfsg-2","1.24.0+dfsg-1","1.24.0+dfsg-2","1.25.0+dfsg-1","1.25.0+dfsg-2","1.25.0+dfsg-3","1.26.0+dfsg-1","1.26.0+dfsg-2","1.26.0+dfsg-3","1.26.0+dfsg-4","1.26.0+dfsg-5","1.27.0+dfsg-1"]},{"source":"osv","ecosystem":"Debian:14","package":"deskflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.0+dfsg-4"}]}],"versions":["1.22.0+dfsg-7","1.23.0+dfsg-1","1.23.0+dfsg-2","1.24.0+dfsg-1","1.24.0+dfsg-2","1.25.0+dfsg-1","1.25.0+dfsg-2","1.25.0+dfsg-3","1.26.0+dfsg-1","1.26.0+dfsg-2","1.26.0+dfsg-3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"deskflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.26.0+dfsg-1","1.26.0+dfsg-3","1.26.0+dfsg-5ubuntu1","1.27.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"deskflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.23.0+dfsg-1","1.24.0+dfsg-2","1.25.0+dfsg-2","1.25.0+dfsg-3","1.26.0+dfsg-1"]}],"products":[{"vendor":"deskflow","product":"deskflow"}],"references":[{"url":"https://github.com/deskflow/deskflow/security/advisories/GHSA-8rcq-7w87-h64j","tags":["x_refsource_CONFIRM","exploit","advisory","report"]},{"url":"https://github.com/deskflow/deskflow/commit/205a3c803e5298d56683660736ec1a41b671b56e","tags":["x_refsource_MISC","fix","report"]},{"url":"https://github.com/deskflow/deskflow/commit/8266fbbe6af93fa370018886c7f1f35d2cee8b3f","tags":["x_refsource_MISC","fix","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/65xxx/CVE-2026-65832.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65832","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-65832","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-65832","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-65832","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-65832","title":"Deskflow - Unauthenticated server-controlled out-of-bounds read in ServerProxy::setOptions / translateKey modifier-table indexing","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.","status":"published","published":"2026-08-17T20:59:08.714Z","modified":"2026-08-18T15:40:26.686Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-125","CWE-129"],"updated_at":"2026-11-02T13:37:13.934727Z"}],"euvd":[{"id":"EUVD-2026-60464","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.","status":"published","published":"2026-08-17T20:59:08Z","modified":"2026-08-18T15:40:26Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:46.405062Z"}],"nvd":[{"id":"CVE-2026-65832","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.","status":"published","published":"2026-08-17T21:16:46.75Z","modified":"2026-10-23T16:10:00.313Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-125","CWE-129"],"updated_at":"2026-11-02T14:12:38.647684Z"}],"osv":[{"id":"CVE-2026-65832","title":"Deskflow - Unauthenticated server-controlled out-of-bounds read in ServerProxy::setOptions / translateKey modifier-table indexing","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.","status":"published","published":"2026-08-17T20:59:08.714Z","modified":"2026-11-11T13:25:17.255704065Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-125","CWE-129"],"updated_at":"2026-11-11T03:22:28.447808Z"},{"id":"DEBIAN-CVE-2026-65832","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.","status":"published","published":"2026-08-17T21:16:46.75Z","modified":"2026-10-24T10:01:17.611954766Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:58.699079Z"},{"id":"UBUNTU-CVE-2026-65832","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.","status":"published","published":"2026-08-17T21:16:00Z","modified":"2026-10-17T12:59:17.335117501Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:53.710209Z"}]}}