CVE-2025-6338

No fix known EPSS <1%CVSS 9.2

There is an incomplete cleanup vulnerability in Qt Network's Schannel support on Windows which can lead to a Denial of Service over a long period. This issue affects Qt from 5.15.0 through 6.8.3, from 6.9.0 before 6.9.2.

Published 2025-10-16 · CVE record · OSV

Products: qt