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Red Hat Enterprise Linux 8 RHSA-2021-0612-01: Severe Gnome Shell Issue

red hat
Calendar Grey February 18, 2021
Dist Redhat Esm H88
Essential security patch for xterm on Red Hat Enterprise Linux 8. Immediate intervention is recommended to mitigate vulnerabilities.
An update for xterm 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 xterm program is a terminal emulator for the X Window System. It provides DEC VT102 and Tektronix 4014 compatible terminals for programs that can't use the window system directly.
Security Fix(es):
* xterm: crash when processing combining characters (CVE-2021-27135)
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 DoS issue DoS security fix Red Hat Enterprise Linux important xterm crash issue important advisory xterm update

References

https://access.redhat.com/security/cve/CVE-2021-27135 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: xterm-331-1.el8_3.2.src.rpm
aarch64: xterm-331-1.el8_3.2.aarch64.rpm xterm-debuginfo-331-1.el8_3.2.aarch64.rpm xterm-debugsource-331-1.el8_3.2.aarch64.rpm xterm-resize-331-1.el8_3.2.aarch64.rpm xterm-resize-debuginfo-331-1.el8_3.2.aarch64.rpm
ppc64le: xterm-331-1.el8_3.2.ppc64le.rpm xterm-debuginfo-331-1.el8_3.2.ppc64le.rpm xterm-debugsource-331-1.el8_3.2.ppc64le.rpm xterm-resize-331-1.el8_3.2.ppc64le.rpm xterm-resize-debuginfo-331-1.el8_3.2.ppc64le.rpm
s390x: xterm-331-1.el8_3.2.s390x.rpm xterm-debuginfo-331-1.el8_3.2.s390x.rpm xterm-debugsource-331-1.el8_3.2.s390x.rpm xterm-resize-331-1.el8_3.2.s390x.rpm xterm-resize-debuginfo-331-1.el8_3.2.s390x.rpm
x86_64: xterm-331-1.el8_3.2.x86_64.rpm xterm-debuginfo-331-1.el8_3.2.x86_64.rpm xterm-debugsource-331-1.el8_3.2.x86_64.rpm xterm-resize-331-1.el8_3.2.x86_64.rpm xterm-resize-debuginfo-331-1.el8_3.2.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
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:0611-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0611
Issue date: 2021-02-18

Topic

An update for xterm is now available for Red Hat Enterprise Linux 8.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 DoS issue DoS security fix Red Hat Enterprise Linux important xterm crash issue important advisory xterm update

Relevant Releases Architectures

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

Bugs Fixed

1927559 - CVE-2021-27135 xterm: crash when processing combining characters

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