RedHat: RHSA-2021-3296:01 Important: libX11 security update
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.
Summary
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
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/
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.
Topic
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