X.Org X Server: Multiple vulnerabilities — GLSA 201701-64

Multiple vulnerabilities have been found in X.Org X Server, the worst of which may allow authenticated attackers to read from or send information to arbitrary X11 clients.

Affected packages

x11-base/xorg-server on all architectures
Affected versions < 1.18.4
Unaffected versions >= 1.18.4

Background

The X Window System is a graphical windowing system based on a client/server model.

Description

Multiple vulnerabilities have been discovered in X.Org X Server. Please review the CVE identifiers referenced below for details.

Impact

An authenticated attacker could possibly cause a Denial of Service condition or read from or send information to arbitrary X11 clients.

Workaround

There is no known workaround at this time.

Resolution

All X.Org X Server users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=x11-base/xorg-server-1.18.4"
 

References

Release date
January 25, 2017

Latest revision
January 25, 2017: 1

Severity
normal

Exploitable
remote

Bugzilla entries