Fedora 30: Security Advisory FEDORA-2019-ac2a21ff07 Fixes SELinux Bugs

libnotify is a library for sending desktop notifications to a notification

daemon, as defined in the freedesktop.org Desktop Notifications spec. These

notifications can be used to inform the user about an event or display some

form of information without getting in the user's way.

This update fixes a [bug](https://github.com/mesonbuild/meson/issues/5268) in

the Meson build system which caused binaries and libraries to incorrectly be

marking as requiring an executable stack. This makes them more vulnerable to

security issues, and also can result in errors caused by SELinux denials. This

update also provides rebuilds of all the packages that were built with the buggy

Meson, excepting packages for updates were already pending (in those cases,

those updates have been edited instead). This includes gnome-initial-setup,

which was affected by this problem, resulting in a [release-blocking

bug](https://bugzilla.redhat.com/show_bug.cgi?id=1699099) that prevented it

running correctly with SELinux in enforcing mode.

[ 1 ] Bug #1699099 - gnome-initial-setup 3.32.0+ crashes due to SELinux denials (because it has execstack flag set, because meson 0.50.0 sets it when it shouldn't)

https://bugzilla.redhat.com/show_bug.cgi?id=1699099

su -c 'dnf upgrade --advisory FEDORA-2019-ac2a21ff07' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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