Synopsis: Important: xorg-x11-server security update Advisory ID: SLSA-2021:2033-1 Issue Date: 2021-05-20 CVE Numbers: CVE-2021-3472 -- Security Fix(es): * xorg-x11-server: XChangeFeedbackControl integer underflow leads to privilege escalation (CVE-2021-3472) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE --- SL7 x86_64 - xorg-x11-server-Xdmx-1.20.4-16.el7_9.x86_64.rpm - xorg-x11-server-Xephyr-1.20.4-16.el7_9.x86_64.rpm - xorg-x11-server-Xnest-1.20.4-16.el7_9.x86_64.rpm - xorg-x11-server-Xorg-1.20.4-16.el7_9.x86_64.rpm - xorg-x11-server-Xvfb-1.20.4-16.el7_9.x86_64.rpm - xorg-x11-server-Xwayland-1.20.4-16.el7_9.x86_64.rpm - xorg-x11-server-common-1.20.4-16.el7_9.x86_64.rpm - xorg-x11-server-debuginfo-1.20.4-16.el7_9.i686.rpm - xorg-x11-server-debuginfo-1.20.4-16.el7_9.x86_64.rpm - xorg-x11-server-devel-1.20.4-16.el7_9.i686.rpm - xorg-x11-server-devel-1.20.4-16.el7_9.x86_64.rpm noarch - xorg-x11-server-source-1.20.4-16.el7_9.noarch.rpm -- - Scientific Linux Development Team