# 475 - A security advisory has been issued for Qt WebEngine:https://www.qt.io/blog/security-advisory-recently-reported-chromium-impacts-qtwebengine - A security advisory has also been issued for zlib, used in part of Qt:https://www.qt.io/blog/security-advisory-recently-reported-zlib-compression-issue-impacts-qt - Qt 5.15.9 for commercial customers has been released:https://www.qt.io/blog/commercial-lts-qt-5.15.9-released Posted by Jon Trulson