Alerts This Week
Warning Icon 1 692
Alerts This Week
Warning Icon 1 692

Gentoo: GLSA 202105-16 Low Severity: X.Org X11 Denial of Service

gentoo
Calendar Grey May 26, 2021
Dist Gentoo Esm H88
Gentoo Advisory GLSA 202303-08 points out a moderate severity vulnerability in the FreeType library, resulting in potential information leakage.
A vulnerability in X.Org X11 library could lead to a Denial of Service condition.

Summary

It was discovered that XLookupColor() and other X.Org X11 library functions lacked proper validation of the length of their string parameters.

Topics%20covered

Topics Covered

security advisory denial of service Gentoo gentoo system update low severity libX11 x11 library X11 library X protocol

Resolution

All X.Org X11 library users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=x11-libs/libX11-1.7.1"

References

[ 1 ] CVE-2021-31535 https://nvd.nist.gov/vuln/detail/CVE-2021-31535

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202105-16
style>.gentoo_availability{display:block;}

Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity
low
Lowest
Low
Medium
High
Critical

Severity: Low
Title: X.Org X11 library: Denial of service
Date: May 26, 2021
Bugs: #790824
ID: 202105-16

Topics%20covered

Topics Covered

security advisory denial of service Gentoo gentoo system update low severity libX11 x11 library X11 library X protocol

Synopsis

A vulnerability in X.Org X11 library could lead to a Denial of Service condition.

Background

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-libs/libX11 < 1.7.1 >= 1.7.1

Impact

===== An attacker could emit arbitrary X protocol requests to the X server through malicious crafted string parameters in applications linked against X.Org X11 library.

Workaround

There is no known workaround at this time.

Related News

Your message here