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Red Hat Enterprise Linux 8: Moderate RHSA-2021-4326-01 LibX11 Request Issue

red hat
Calendar Grey November 9, 2021
Dist Redhat Esm H88
This bulletin outlines a significant security enhancement for libX11 on Red Hat Enterprise Linux, addressing major vulnerabilities.
An update for libX11 is now available for Red Hat Enterprise Linux 8

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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate red hat security impact libx11 request length

References

https://access.redhat.com/security/cve/CVE-2021-31535 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: libX11-1.6.8-5.el8.src.rpm
aarch64: libX11-1.6.8-5.el8.aarch64.rpm libX11-debuginfo-1.6.8-5.el8.aarch64.rpm libX11-debugsource-1.6.8-5.el8.aarch64.rpm libX11-devel-1.6.8-5.el8.aarch64.rpm libX11-xcb-1.6.8-5.el8.aarch64.rpm libX11-xcb-debuginfo-1.6.8-5.el8.aarch64.rpm
noarch: libX11-common-1.6.8-5.el8.noarch.rpm
ppc64le: libX11-1.6.8-5.el8.ppc64le.rpm libX11-debuginfo-1.6.8-5.el8.ppc64le.rpm libX11-debugsource-1.6.8-5.el8.ppc64le.rpm libX11-devel-1.6.8-5.el8.ppc64le.rpm libX11-xcb-1.6.8-5.el8.ppc64le.rpm libX11-xcb-debuginfo-1.6.8-5.el8.ppc64le.rpm
s390x: libX11-1.6.8-5.el8.s390x.rpm libX11-debuginfo-1.6.8-5.el8.s390x.rpm libX11-debugsource-1.6.8-5.el8.s390x.rpm libX11-devel-1.6.8-5.el8.s390x.rpm libX11-xcb-1.6.8-5.el8.s390x.rpm libX11-xcb-debuginfo-1.6.8-5.el8.s390x.rpm
x86_64: libX11-1.6.8-5.el8.i686.rpm libX11-1.6.8-5.el8.x86_64.rpm libX11-debuginfo-1.6.8-5.el8.i686.rpm libX11-debuginfo-1.6.8-5.el8.x86_64.rpm libX11-debugsource-1.6.8-5.el8.i686.rpm libX11-debugsource-1.6.8-5.el8.x86_64.rpm libX11-devel-1.6.8-5.el8.i686.rpm libX11-devel-1.6.8-5.el8.x86_64.rpm libX11-xcb-1.6.8-5.el8.i686.rpm libX11-xcb-1.6.8-5.el8.x86_64.rpm libX11-xcb-debuginfo-1.6.8-5.el8.i686.rpm libX11-xcb-debuginfo-1.6.8-5.el8.x86_64.rpm


Read the Full Advisory


Advisory ID: RHSA-2021:4326-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4326
Issue date: 2021-11-09

Topic

An update for libX11 is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate red hat security impact libx11 request length

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

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

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