Updated libvorbis and thunderbird packages has been released for CentOS
CESA-2018:0647 Important CentOS 6 thunderbird Security UpdateThunderbird and Libvorbis Updates for CentOS
CESA-2018:0648 Important CentOS 7 thunderbird Security Update
CESA-2018:0649 Important CentOS 6 libvorbis Security Update
