A xorg-x11-server security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: xorg-x11-server-1.20.14-1.fc34

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Fedora Update Notification
FEDORA-2021-664a6554a1
2022-01-02 01:06:21.967373
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Name : xorg-x11-server
Product : Fedora 34
Version : 1.20.14
Release : 1.fc34
URL :   http://www.x.org
Summary : X.Org X11 X server
Description :
X.Org X11 X server

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Update Information:

Security fix for CVE-2021-4008, CVE-2021-4009, CVE-2021-4010, CVE-2021-4011
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ChangeLog:

* Fri Dec 17 2021 Olivier - 1.20.14-1
- xserver 1.20.14
CVE-2021-4008/ZDI-CAN-14192 (#2026059, #2032941)
CVE-2021-4009/ZDI-CAN-14950 (#2026072, #2032943)
CVE-2021-4010/ZDI-CAN-14951 (#2026073, #2032944)
CVE-2021-4011/ZDI-CAN-14952 (#2026074, #2032945)
* Tue Sep 14 2021 Sahana Prasad - 1.20.11-3
- Rebuilt with OpenSSL 3.0.0
* Fri Jul 23 2021 Fedora Release Engineering - 1.20.11-2
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
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References:

[ 1 ] Bug #2026059 - CVE-2021-4008 xorg-x11-server: SProcRenderCompositeGlyphs out-of-bounds access
  https://bugzilla.redhat.com/show_bug.cgi?id=2026059
[ 2 ] Bug #2026072 - CVE-2021-4009 xorg-x11-server: SProcXFixesCreatePointerBarrier out-of-bounds access
  https://bugzilla.redhat.com/show_bug.cgi?id=2026072
[ 3 ] Bug #2026073 - CVE-2021-4010 xorg-x11-server: SProcScreenSaverSuspend out-of-bounds access
  https://bugzilla.redhat.com/show_bug.cgi?id=2026073
[ 4 ] Bug #2026074 - CVE-2021-4011 xorg-x11-server: SwapCreateRegister out-of-bounds access
  https://bugzilla.redhat.com/show_bug.cgi?id=2026074
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-664a6554a1' 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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