vulnerability

Oracle Linux: CVE-2018-15853: ELSA-2019-2079: Xorg security and bug fix update (MODERATE)

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
Mar 10, 2018
Added
Jul 21, 2020
Modified
Dec 3, 2025

Description

Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.
An uncontrolled recursion flaw was found in libxkbcommon in the way it parses boolean expressions. A specially crafted file provided to xkbcomp could crash the application.

Solutions

oracle-linux-upgrade-gdmoracle-linux-upgrade-gdm-develoracle-linux-upgrade-gdm-pam-extensions-develoracle-linux-upgrade-libx11oracle-linux-upgrade-libx11-commonoracle-linux-upgrade-libx11-develoracle-linux-upgrade-libxkbcommonoracle-linux-upgrade-libxkbcommon-develoracle-linux-upgrade-libxkbcommon-x11oracle-linux-upgrade-libxkbcommon-x11-develoracle-linux-upgrade-mesa-libglworacle-linux-upgrade-mesa-libglw-develoracle-linux-upgrade-xorg-x11-drv-atioracle-linux-upgrade-xorg-x11-drv-vesaoracle-linux-upgrade-xorg-x11-drv-wacomoracle-linux-upgrade-xorg-x11-drv-wacom-develoracle-linux-upgrade-xorg-x11-server-commonoracle-linux-upgrade-xorg-x11-server-develoracle-linux-upgrade-xorg-x11-server-sourceoracle-linux-upgrade-xorg-x11-server-xdmxoracle-linux-upgrade-xorg-x11-server-xephyroracle-linux-upgrade-xorg-x11-server-xnestoracle-linux-upgrade-xorg-x11-server-xorgoracle-linux-upgrade-xorg-x11-server-xvfboracle-linux-upgrade-xorg-x11-server-xwayland
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