Debian Security Advisory

DLA-1026-1 xorg-server -- LTS security update

Date Reported:
14 Jul 2017
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 867492, Bug 867492.
In Mitre's CVE dictionary: CVE-2017-10971, CVE-2017-10972.
More information:
  • CVE-2017-10971

    A user authenticated to an X Session could crash or execute code in the context of the X Server by exploiting a stack overflow in the endianness conversion of X Events.

  • CVE-2017-10972

    Uninitialized data in endianness conversion in the XEvent handling of the X.Org X Server allowed authenticated malicious users to access potentially privileged data from the X server.

For Debian 7 Wheezy, these problems have been fixed in version 2:1.12.4-6+deb7u7.

We recommend that you upgrade your xorg-server packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: