Hi,

There have been three vulnerabilities found in FreeType recently and they have 
been assigned the CVE ids CVE-2022-27404, CVE-2022-27405, CVE-2022-27406. This 
has been fixed in the latest version of FreeType – v2.12.1

These effects configurations of Qt that have been built against the bundled 
version of FreeType. If you are using a pre-built version of Qt then this will 
be using the bundled version of FreeType by default, otherwise you will be 
using the system version by default, in which case you should check if the 
system needs to be updated or not. If the system needs to be updated, then 
updating it is enough to solve the issue. There is no need to rebuild Qt in 
that case.

Solution: To work-around it, then update your system version of FreeType to at 
least v2.12.1 and reconfigure and build Qt to use the system version of 
FreeType. Or apply the following patch or update to Qt 6.3.2 when it is 
released.

Patches:

dev: https://codereview.qt-project.org/c/qt/qtbase/+/422316
6.4: https://codereview.qt-project.org/c/qt/qtbase/+/423390
6.3: https://codereview.qt-project.org/c/qt/qtbase/+/423391 or 
https://download.qt.io/official_releases/qt/6.3/CVE-2022-27404-27405-27406-qtbase-6.3.diff
6.2: https://codereview.qt-project.org/c/qt/tqtc-qtbase/+/423393 or 
https://download.qt.io/official_releases/qt/6.2/CVE-2022-27404-27405-27406-qtbase-6.2.diff
5.15: https://codereview.qt-project.org/c/qt/tqtc-qtbase/+/423394 or 
https://download.qt.io/official_releases/qt/5.15/CVE-2022-27404-27405-27406-qtbase-5.15.diff

Kind regards,
Andy
--
Andy Shaw
The Qt Company

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