[SECURITY] Fedora 33 Update: xorg-x11-server-1.20.11-1.fc33

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Fedora Update Notification
FEDORA-2021-139f3fc21c
2021-04-16 14:33:16.807892
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Name        : xorg-x11-server
Product     : Fedora 33
Version     : 1.20.11
Release     : 1.fc33
URL         : http://www.x.org
Summary     : X.Org X11 X server
Description :
X.Org X11 X server

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Update Information:

xserver 1.20.11 Security fix for CVE-2021-3472 / ZDI-CAN-1259
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ChangeLog:

* Wed Apr 14 2021 Olivier Fourdan <ofourdan(a)redhat.com&gt; - 1.20.11-1
- xserver 1.20.11 (CVE-2021-3472 / ZDI-CAN-1259)
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References:

  [ 1 ] Bug #1944167 - CVE-2021-3472 xorg-x11-server: XChangeFeedbackControl integer
underflow leads to privilege escalation
        https://bugzilla.redhat.com/show_bug.cgi?id=1944167
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-139f3fc21c' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

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/keys
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