Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-xkbcomp | Dec 5, 2025 | Aug 25, 2018 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-xorg-x11-server-commonamazon-linux-ami-2-upgrade-xorg-x11-server-debuginfoamazon-linux-ami-2-upgrade-xorg-x11-server-develamazon-linux-ami-2-upgrade-xorg-x11-server-sourceamazon-linux-ami-2-upgrade-xorg-x11-server-xdmxamazon-linux-ami-2-upgrade-xorg-x11-server-xephyramazon-linux-ami-2-upgrade-xorg-x11-server-xnestamazon-linux-ami-2-upgrade-xorg-x11-server-xorgamazon-linux-ami-2-upgrade-xorg-x11-server-xvfbamazon-linux-ami-2-upgrade-xorg-x11-server-xwayland | Jun 4, 2020 | Aug 25, 2018 | |
| Centos_linux | — | centos-upgrade-gdmcentos-upgrade-gdm-debuginfocentos-upgrade-gdm-develcentos-upgrade-gdm-pam-extensions-develcentos-upgrade-libx11centos-upgrade-libx11-commoncentos-upgrade-libx11-debuginfocentos-upgrade-libx11-develcentos-upgrade-libxkbcommoncentos-upgrade-libxkbcommon-debuginfocentos-upgrade-libxkbcommon-develcentos-upgrade-libxkbcommon-x11centos-upgrade-libxkbcommon-x11-develcentos-upgrade-mesa-libglwcentos-upgrade-mesa-libglw-debuginfocentos-upgrade-mesa-libglw-develcentos-upgrade-xorg-x11-drv-aticentos-upgrade-xorg-x11-drv-ati-debuginfocentos-upgrade-xorg-x11-drv-vesacentos-upgrade-xorg-x11-drv-vesa-debuginfocentos-upgrade-xorg-x11-drv-wacomcentos-upgrade-xorg-x11-drv-wacom-debuginfocentos-upgrade-xorg-x11-drv-wacom-develcentos-upgrade-xorg-x11-server-commoncentos-upgrade-xorg-x11-server-debuginfocentos-upgrade-xorg-x11-server-develcentos-upgrade-xorg-x11-server-sourcecentos-upgrade-xorg-x11-server-xdmxcentos-upgrade-xorg-x11-server-xephyrcentos-upgrade-xorg-x11-server-xnestcentos-upgrade-xorg-x11-server-xorgcentos-upgrade-xorg-x11-server-xvfbcentos-upgrade-xorg-x11-server-xwayland | Aug 28, 2019 | Aug 25, 2018 |
| Debian | debian-upgrade-libxkbcommon | Jul 30, 2024 | Aug 25, 2018 | |
| Freebsd | freebsd-upgrade-package-xkbcomp | Dec 10, 2025 | Dec 5, 2025 | |
| Gentoo Linux | gentoo-linux-upgrade-x11-libs-libxkbcommon | Oct 31, 2018 | Aug 25, 2018 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-libxkbcommonhuawei-euleros-2_0_sp5-upgrade-libxkbcommon-develhuawei-euleros-2_0_sp5-upgrade-libxkbcommon-x11 | Dec 11, 2019 | Aug 25, 2018 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-image-editor-bitmap-1-0-9-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-library-graphics-cogl-1-22-4-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-library-graphics-pixman-0-38-4-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-diagnostic-x11-info-clients-7-7-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-font-utilities-7-7-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-library-libfontenc-1-1-4-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-library-libice-1-0-10-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-library-libxi-1-7-10-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-library-libxkbcommon-0-8-4-11-4-17-0-1-1-0oracle-solaris-11-4-upgrade-x11-session-sessreg-1-1-2-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-session-xauth-1-1-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-x11-server-utilities-7-7-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-xclock-1-0-9-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-xt-resource-utilities-7-7-11-4-21-0-1-69-0 | Jan 19, 2021 | Aug 25, 2018 | |
| Oracle_linux | — | 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 | Jul 21, 2020 | Oct 30, 2017 |
| Redhat_linux | no-fix-redhat-rpm-packageredhat-upgrade-gdmredhat-upgrade-gdm-debuginforedhat-upgrade-gdm-develredhat-upgrade-gdm-pam-extensions-develredhat-upgrade-libx11redhat-upgrade-libx11-commonredhat-upgrade-libx11-debuginforedhat-upgrade-libx11-develredhat-upgrade-libxkbcommonredhat-upgrade-libxkbcommon-debuginforedhat-upgrade-libxkbcommon-develredhat-upgrade-libxkbcommon-x11redhat-upgrade-libxkbcommon-x11-develredhat-upgrade-mesa-libglwredhat-upgrade-mesa-libglw-debuginforedhat-upgrade-mesa-libglw-develredhat-upgrade-xorg-x11-drv-atiredhat-upgrade-xorg-x11-drv-ati-debuginforedhat-upgrade-xorg-x11-drv-vesaredhat-upgrade-xorg-x11-drv-vesa-debuginforedhat-upgrade-xorg-x11-drv-wacomredhat-upgrade-xorg-x11-drv-wacom-debuginforedhat-upgrade-xorg-x11-drv-wacom-develredhat-upgrade-xorg-x11-server-commonredhat-upgrade-xorg-x11-server-debuginforedhat-upgrade-xorg-x11-server-develredhat-upgrade-xorg-x11-server-sourceredhat-upgrade-xorg-x11-server-xdmxredhat-upgrade-xorg-x11-server-xephyrredhat-upgrade-xorg-x11-server-xnestredhat-upgrade-xorg-x11-server-xorgredhat-upgrade-xorg-x11-server-xvfbredhat-upgrade-xorg-x11-server-xwayland | Aug 7, 2019 | Aug 25, 2018 | |
| Suse | — | suse-upgrade-libxkbcommon-develsuse-upgrade-libxkbcommon-devel-32bitsuse-upgrade-libxkbcommon-x11-0suse-upgrade-libxkbcommon-x11-0-32bitsuse-upgrade-libxkbcommon-x11-develsuse-upgrade-libxkbcommon-x11-devel-32bitsuse-upgrade-libxkbcommon0suse-upgrade-libxkbcommon0-32bit | Nov 17, 2018 | Aug 25, 2018 |
| Ubuntu | ubuntu-upgrade-libxkbcommon-x11-0ubuntu-upgrade-libxkbcommon0 | Oct 17, 2018 | Aug 25, 2018 |
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