{"apiVersion":"1.0","identifier":"CVE-2026-63409","description":"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.","publishedAt":"2026-08-17T21:16:46","lastModifiedAt":"2026-08-18T16:18:12","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-63409","cvssScore":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","epssProbability":0.00258,"riskScore":0.84,"affectedProduct":"Deskflow","affectedVersions":">=1.17.0,<1.26.0.296","vulnerabilityType":"Other","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-63409","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-63409","en":"https://www.redsauce.net/en/cves/CVE-2026-63409","fr":"https://www.redsauce.net/fr/cves/CVE-2026-63409","pt":"https://www.redsauce.net/pt/cves/CVE-2026-63409","de":"https://www.redsauce.net/de/cves/CVE-2026-63409","sk":"https://www.redsauce.net/sk/cves/CVE-2026-63409","el":"https://www.redsauce.net/el/cves/CVE-2026-63409"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-63409"}}