The GUI module and platform plugins for the Qt5 framework.
It was discovered that Qt GUI’s XBM parser did not properly handle X BitMap files.
Please review the referenced CVE identifiers for details.
There is no known workaround at this time.
All Qt GUI users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-qt/qtgui-5.14.2-r1"