Ubuntu 20.04: 2021-e8a9b9ef7e Severe: gnome-shell Memory Corruption

X.Org X11 X server

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

* Wed Apr 14 2021 Olivier Fourdan - 1.20.11-1

- xserver 1.20.11 (CVE-2021-3472 / ZDI-CAN-1259)

[ 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

su -c 'dnf upgrade --advisory FEDORA-2021-139f3fc21c' 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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