X.Org X11 library: Multiple vulnerabilities — GLSA 201811-01

Multiple vulnerabilities have been found in X.Org X11 library, the worst of which could allow for remote code execution.

Affected packages

Package	x11-libs/libX11 on all architectures
Affected versions	< 1.6.6
Unaffected versions	>= 1.6.6

Background

X.Org is an implementation of the X Window System. The X.Org X11 library provides the X11 protocol library files.

Description

Multiple vulnerabilities have been discovered in X.Org X11 library. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker, by enticing a user to connect to a malicious server, could cause the execution of arbitrary code with the privileges of the process, or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All X.Org X11 library users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=x11-libs/libX11-1.6.6"

References

Release date
November 09, 2018

Latest revision
November 09, 2018: 1

Severity
normal

Exploitable
remote

Bugzilla entries

664184