Debian Security Advisory

DLA-2006-1 libxdmcp -- LTS security update

Date Reported:
25 Nov 2019
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2017-2625.
More information:

It has been found, that libxdmcp, an X11 Display Manager Control Protocol library, uses weak entropy to generate keys.

Using arc4random_buf() from libbsd should avoid this flaw.

For Debian 8 Jessie, this problem has been fixed in version 1:1.1.1-1+deb8u1.

We recommend that you upgrade your libxdmcp packages.

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