Qt has issued an advisory on December 4: http://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/ Fedora has issued an advisory for this on January 30: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/MHLFIOJNE4XV5SKENVWV7L4F76XCMFEG/ RedHat says RHEL 7, which has 5.9.x, is affected: https://bugzilla.redhat.com/show_bug.cgi?id=1661465
openSUSE has issued an advisory for this on April 2: https://lists.opensuse.org/opensuse-updates/2019-04/msg00019.html
Mageia 6 is EOL.
CC: (none) => mramboStatus: NEW => RESOLVEDResolution: (none) => OLD