CVE-2018-14600
Fixed in a distro release EPSS 9%
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.
Products: x.org libx11, canonical ubuntu_linux, debian_linux
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.10 | libx11 | 1.6.6-r0 |
| Alpine 3.11 | libx11 | 1.6.6-r0 |
| Alpine 3.12 | libx11 | 1.6.6-r0 |
| Alpine 3.13 | libx11 | 1.6.6-r0 |
| Alpine 3.14 | libx11 | 1.6.6-r0 |
| Alpine 3.15 | libx11 | 1.6.6-r0 |
| Alpine 3.16 | libx11 | 1.6.6-r0 |
| Alpine 3.17 | libx11 | 1.6.6-r0 |
| Alpine 3.18 | libx11 | 1.6.6-r0 |
| Alpine 3.19 | libx11 | 1.6.6-r0 |
| Alpine 3.20 | libx11 | 1.6.6-r0 |
| Alpine 3.21 | libx11 | 1.6.6-r0 |
| Alpine 3.22 | libx11 | 1.6.6-r0 |
| Alpine 3.23 | libx11 | 1.6.6-r0 |
| Alpine 3.24 | libx11 | 1.6.6-r0 |
| Alpine 3.5 | libx11 | 1.6.6-r0 |
| Alpine 3.6 | libx11 | 1.6.6-r0 |
| Alpine 3.7 | libx11 | 1.6.6-r0 |
| Alpine 3.8 | libx11 | 1.6.6-r0 |
| Alpine 3.9 | libx11 | 1.6.6-r0 |
| Amazon Linux 2 | xorg-x11-server-Xdmx | 1.20.4-7.amzn2.0.1 |
| Amazon Linux 2 | xorg-x11-server-Xephyr | 1.20.4-7.amzn2.0.1 |
| Amazon Linux 2 | xorg-x11-server-Xnest | 1.20.4-7.amzn2.0.1 |
| Amazon Linux 2 | xorg-x11-server-Xorg | 1.20.4-7.amzn2.0.1 |
| Amazon Linux 2 | xorg-x11-server-Xvfb | 1.20.4-7.amzn2.0.1 |
| Amazon Linux 2 | xorg-x11-server-Xwayland | 1.20.4-7.amzn2.0.1 |
| Amazon Linux 2 | xorg-x11-server-common | 1.20.4-7.amzn2.0.1 |
| Amazon Linux 2 | xorg-x11-server-devel | 1.20.4-7.amzn2.0.1 |
| Amazon Linux 2 | xorg-x11-server-source | 1.20.4-7.amzn2.0.1 |
| Debian 12 | libx11 | 2:1.6.6-1 |
| Debian 13 | libx11 | 2:1.6.6-1 |
| Debian 14 | libx11 | 2:1.6.6-1 |
| Debian 8 | libx11 | 2:1.6.2-3+deb8u2 |
| Red Hat Enterprise Linux 7 | gdm | 1:3.28.2-16.el7 |
| Red Hat Enterprise Linux 7 | gdm-debuginfo | 1:3.28.2-16.el7 |
| Red Hat Enterprise Linux 7 | gdm-devel | 1:3.28.2-16.el7 |
| Red Hat Enterprise Linux 7 | gdm-pam-extensions-devel | 1:3.28.2-16.el7 |
| Red Hat Enterprise Linux 7 | libX11 | 0:1.6.7-2.el7 |
| Red Hat Enterprise Linux 7 | libX11-common | 0:1.6.7-2.el7 |
| Red Hat Enterprise Linux 7 | libX11-debuginfo | 0:1.6.7-2.el7 |
| Red Hat Enterprise Linux 7 | libX11-devel | 0:1.6.7-2.el7 |
| Red Hat Enterprise Linux 7 | libxkbcommon | 0:0.7.1-3.el7 |
| Red Hat Enterprise Linux 7 | libxkbcommon-debuginfo | 0:0.7.1-3.el7 |
| Red Hat Enterprise Linux 7 | libxkbcommon-devel | 0:0.7.1-3.el7 |
| Red Hat Enterprise Linux 7 | libxkbcommon-x11 | 0:0.7.1-3.el7 |
| Red Hat Enterprise Linux 7 | libxkbcommon-x11-devel | 0:0.7.1-3.el7 |
| Red Hat Enterprise Linux 7 | mesa-libGLw | 0:8.0.0-5.el7 |
| Red Hat Enterprise Linux 7 | mesa-libGLw-debuginfo | 0:8.0.0-5.el7 |
| Red Hat Enterprise Linux 7 | mesa-libGLw-devel | 0:8.0.0-5.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-drv-ati | 0:19.0.1-2.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-drv-ati-debuginfo | 0:19.0.1-2.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-drv-vesa | 0:2.4.0-3.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-drv-vesa-debuginfo | 0:2.4.0-3.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-drv-wacom | 0:0.36.1-3.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-drv-wacom-debuginfo | 0:0.36.1-3.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-drv-wacom-devel | 0:0.36.1-3.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server | 0:1.20.4-7.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server-Xdmx | 0:1.20.4-7.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server-Xephyr | 0:1.20.4-7.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server-Xnest | 0:1.20.4-7.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server-Xorg | 0:1.20.4-7.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server-Xvfb | 0:1.20.4-7.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server-Xwayland | 0:1.20.4-7.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server-common | 0:1.20.4-7.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server-debuginfo | 0:1.20.4-7.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server-devel | 0:1.20.4-7.el7 |
| Red Hat Enterprise Linux 7 | xorg-x11-server-source | 0:1.20.4-7.el7 |
| SUSE Linux Enterprise Desktop 12 SP3 | libX11 | 1.6.2-12.5.1 |
| SUSE Linux Enterprise Desktop 12 SP3 | libxcb | 1.10-4.3.1 |
| SUSE Linux Enterprise Module for Basesystem 15 | libX11 | 1.6.5-3.3.1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | xorg-x11-libX11 | 7.4-5.11.72.9.1 |
| SUSE Linux Enterprise Server 11 SP3-LTSS | xorg-x11-libX11 | 7.4-5.11.72.9.1 |
| SUSE Linux Enterprise Server 11 SP3-TERADATA | xorg-x11-libX11 | 7.4-5.11.72.9.1 |
| SUSE Linux Enterprise Server 11 SP4 | xorg-x11-libX11 | 7.4-5.11.72.9.1 |
| SUSE Linux Enterprise Server 12 SP3 | libX11 | 1.6.2-12.5.1 |
| SUSE Linux Enterprise Server 12 SP3 | libxcb | 1.10-4.3.1 |
| SUSE Linux Enterprise Server for SAP Applications 11 SP4 | xorg-x11-libX11 | 7.4-5.11.72.9.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | libX11 | 1.6.2-12.5.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | libxcb | 1.10-4.3.1 |
| SUSE Linux Enterprise Software Development Kit 11 SP4 | xorg-x11-libX11 | 7.4-5.11.72.9.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | libX11 | 1.6.2-12.5.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | libxcb | 1.10-4.3.1 |
| Ubuntu 14.04 LTS | libx11 | 2:1.6.2-1ubuntu2.1 |
| Ubuntu 16.04 LTS | libx11 | 2:1.6.3-1ubuntu2.1 |
| Ubuntu 18.04 LTS | libx11 | 2:1.6.4-3ubuntu0.1 |
| openSUSE Tumbleweed | libX11 | 1.7.2-1.2 |