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RedHat: RHSA-2020-4946-01 Important: libX11 Integer Overflow Issue

red hat
Calendar Grey November 5, 2020
Dist Redhat Esm H88
An essential libX11 patch resolves buffer overflow vulnerabilities for CentOS 6 system operators.
An update for libX11 is now available for Red Hat Enterprise Linux 6

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The libX11 packages contain the core X11 protocol client library.
Security Fix(es):
* libX11: integer overflow leads to double free in locale handling (CVE-2020-14363)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory red hat security fix important integer overflow double free libX11

References

https://access.redhat.com/security/cve/CVE-2020-14363 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: libX11-1.6.4-4.el6_10.src.rpm
i386: libX11-1.6.4-4.el6_10.i686.rpm libX11-debuginfo-1.6.4-4.el6_10.i686.rpm
noarch: libX11-common-1.6.4-4.el6_10.noarch.rpm
x86_64: libX11-1.6.4-4.el6_10.i686.rpm libX11-1.6.4-4.el6_10.x86_64.rpm libX11-debuginfo-1.6.4-4.el6_10.i686.rpm libX11-debuginfo-1.6.4-4.el6_10.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386: libX11-debuginfo-1.6.4-4.el6_10.i686.rpm libX11-devel-1.6.4-4.el6_10.i686.rpm
x86_64: libX11-debuginfo-1.6.4-4.el6_10.i686.rpm libX11-debuginfo-1.6.4-4.el6_10.x86_64.rpm libX11-devel-1.6.4-4.el6_10.i686.rpm libX11-devel-1.6.4-4.el6_10.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: libX11-1.6.4-4.el6_10.src.rpm
noarch: libX11-common-1.6.4-4.el6_10.noarch.rpm
x86_64: libX11-1.6.4-4.el6_10.i686.rpm libX11-1.6.4-4.el6_10.x86_64.rpm libX11-debuginfo-1.6.4-4.el6_10.i686.rpm libX11-debuginfo-1.6.4-4.el6_10.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64: libX11-debuginfo-1.6.4-4.el6_10.i686.rpm libX11-debuginfo-1.6.4-4.el6_10.x86_64.rpm libX11-devel-1.6.4-4.el6_10.i686.rpm libX11-devel-1.6.4-4.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: libX11-1.6.4-4.el6_10.src.rpm
i386: libX11-1.6.4-4.el6_10.i686.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:4946-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4946
Issue date: 2020-11-05

Topic

An update for libX11 is now available for Red Hat Enterprise Linux 6.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat security fix important integer overflow double free libX11

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, noarch, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - noarch, x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64

Bugs Fixed

1872473 - CVE-2020-14363 libX11: integer overflow leads to double free in locale handling

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