RedHat: RHSA-2021-3296:01 Important: libX11 security update

Advisories

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: libX11 security update
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
CVE Names:         CVE-2021-31535 
=====================================================================

1. Summary:

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 impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. 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

3. Description:

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

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

6. 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
libX11-devel-1.6.7-4.el7_9.ppc64le.rpm

s390x:
libX11-1.6.7-4.el7_9.s390.rpm
libX11-1.6.7-4.el7_9.s390x.rpm
libX11-debuginfo-1.6.7-4.el7_9.s390.rpm
libX11-debuginfo-1.6.7-4.el7_9.s390x.rpm
libX11-devel-1.6.7-4.el7_9.s390.rpm
libX11-devel-1.6.7-4.el7_9.s390x.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 Workstation (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

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

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

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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RedHat: RHSA-2021-3296:01 Important: libX11 security update

An update for libX11 is now available for Red Hat Enterprise Linux 7

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.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258

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 libX11-devel-1.6.7-4.el7_9.ppc64le.rpm
s390x: libX11-1.6.7-4.el7_9.s390.rpm libX11-1.6.7-4.el7_9.s390x.rpm libX11-debuginfo-1.6.7-4.el7_9.s390.rpm libX11-debuginfo-1.6.7-4.el7_9.s390x.rpm libX11-devel-1.6.7-4.el7_9.s390.rpm libX11-devel-1.6.7-4.el7_9.s390x.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 Workstation (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
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/

Severity
Advisory ID: RHSA-2021:3296-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3296
Issued Date: : 2021-08-30
CVE Names: CVE-2021-31535

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.

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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