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Red Hat Enterprise Linux 7: RHSA-2021-3296-01 Important: libX11 Update

red hat
Calendar Grey August 30, 2021
Dist Redhat Esm H88
Explore the crucial libX11 security patch for Red Hat Enterprise Linux 7, targeting major vulnerabilities.
An update for libX11 is now available for Red Hat Enterprise Linux 7

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: missing request length checks (CVE-2021-31535)
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 update important security impact redhat libx11 client

References

https://access.redhat.com/security/cve/CVE-2021-31535 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: libX11-1.6.7-4.el7_9.src.rpm
noarch: libX11-common-1.6.7-4.el7_9.noarch.rpm
x86_64: libX11-1.6.7-4.el7_9.i686.rpm libX11-1.6.7-4.el7_9.x86_64.rpm libX11-debuginfo-1.6.7-4.el7_9.i686.rpm libX11-debuginfo-1.6.7-4.el7_9.x86_64.rpm libX11-devel-1.6.7-4.el7_9.i686.rpm libX11-devel-1.6.7-4.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: libX11-1.6.7-4.el7_9.src.rpm
noarch: libX11-common-1.6.7-4.el7_9.noarch.rpm
x86_64: libX11-1.6.7-4.el7_9.i686.rpm libX11-1.6.7-4.el7_9.x86_64.rpm libX11-debuginfo-1.6.7-4.el7_9.i686.rpm libX11-debuginfo-1.6.7-4.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: libX11-debuginfo-1.6.7-4.el7_9.i686.rpm libX11-debuginfo-1.6.7-4.el7_9.x86_64.rpm libX11-devel-1.6.7-4.el7_9.i686.rpm libX11-devel-1.6.7-4.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: libX11-1.6.7-4.el7_9.src.rpm
noarch: libX11-common-1.6.7-4.el7_9.noarch.rpm
ppc64: libX11-1.6.7-4.el7_9.ppc.rpm libX11-1.6.7-4.el7_9.ppc64.rpm libX11-debuginfo-1.6.7-4.el7_9.ppc.rpm libX11-debuginfo-1.6.7-4.el7_9.ppc64.rpm libX11-devel-1.6.7-4.el7_9.ppc.rpm libX11-devel-1.6.7-4.el7_9.ppc64.rpm
ppc64le: libX11-1.6.7-4.el7_9.ppc64le.rpm libX11-debuginfo-1.6.7-4.el7_9.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:3296-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3296
Issue date: 2021-08-30

Topic

An update for libX11 is now available for Red Hat Enterprise Linux 7.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 update important security impact redhat libx11 client

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

Bugs Fixed

1961822 - CVE-2021-31535 libX11: missing request length checks

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