A flaw was found in xorg-x11-server. A integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents.
This bug does not yet have an embargo date set, though CVE-2020-14347 does.
Name: X.org project
Upstream: Jan-Niklas Sohn (Trend Micro Zero Day Initiative)
Upstream commit: https://gitlab.freedesktop.org/xorg/xserver/-/commit/c940cc8b6c0a2983c1ec974f1b3f019795dd4cff
Created xorg-x11-server tracking bugs for this issue:
Affects: fedora-all [bug 1872396]
Xorg server does not run with root privileges in Red Hat Enterprise Linux 8, therefore this flaw has been rated as having moderate impact for Red Hat Enterprise linux 8.