CVE-2017-13721
Fixed in a distro release EPSS <1%
In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.
Products: x.org x_server, debian_linux
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.10 | xorg-server | 1.19.5-r0 |
| Alpine 3.11 | xorg-server | 1.19.5-r0 |
| Alpine 3.12 | xorg-server | 1.19.5-r0 |
| Alpine 3.6 | xorg-server | 1.19.5-r0 |
| Alpine 3.7 | xorg-server | 1.19.5-r0 |
| Alpine 3.8 | xorg-server | 1.19.5-r0 |
| Alpine 3.9 | xorg-server | 1.19.5-r0 |
| Arch Linux | xorg-server | 1.19.4-1 |
| Debian 12 | xorg-server | 2:1.19.4-1 |
| Debian 13 | xorg-server | 2:1.19.4-1 |
| Debian 14 | xorg-server | 2:1.19.4-1 |
| Debian 8 | xorg-server | 2:1.16.4-1+deb8u2 |
| Debian 9 | xorg-server | 2:1.19.2-1+deb9u2 |
| SUSE Linux Enterprise Desktop 12 SP2 | xorg-x11-server | 7.6_1.18.3-76.15.2 |
| SUSE Linux Enterprise Desktop 12 SP3 | xorg-x11-server | 7.6_1.18.3-76.15.2 |
| SUSE Linux Enterprise Server 12 SP2 | xorg-x11-server | 7.6_1.18.3-76.15.2 |
| SUSE Linux Enterprise Server 12 SP3 | xorg-x11-server | 7.6_1.18.3-76.15.2 |
| SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 | xorg-x11-server | 7.6_1.18.3-76.15.2 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | xorg-x11-server | 7.6_1.18.3-76.15.2 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | xorg-x11-server | 7.6_1.18.3-76.15.2 |
| SUSE Linux Enterprise Software Development Kit 12 SP2 | xorg-x11-server | 7.6_1.18.3-76.15.2 |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | xorg-x11-server | 7.6_1.18.3-76.15.2 |
| Ubuntu 14.04 LTS | xorg-server | 2:1.15.1-0ubuntu2.10 |
| Ubuntu 14.04 LTS | xorg-server-lts-xenial | 2:1.18.3-1ubuntu2.3~trusty3 |
| Ubuntu 16.04 LTS | xorg-server | 2:1.18.4-0ubuntu0.6 |
| Ubuntu 16.04 LTS | xorg-server-hwe-16.04 | 2:1.19.3-1ubuntu1~16.04.3 |
| openSUSE Tumbleweed | xorg-x11-server | 1.20.13-1.2 |