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

Synopsis:          Important: xterm security update
Advisory ID:       RHSA-2021:0617-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0617
Issue date:        2021-02-22
CVE Names:         CVE-2021-27135 
====================================================================
1. Summary:

An update for xterm 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) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

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.

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/):

1927559 - CVE-2021-27135 xterm: crash when processing combining characters
6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
xterm-295-3.el7_9.1.src.rpm

x86_64:
xterm-295-3.el7_9.1.x86_64.rpm
xterm-debuginfo-295-3.el7_9.1.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
xterm-295-3.el7_9.1.src.rpm

x86_64:
xterm-295-3.el7_9.1.x86_64.rpm
xterm-debuginfo-295-3.el7_9.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
xterm-295-3.el7_9.1.src.rpm

ppc64:
xterm-295-3.el7_9.1.ppc64.rpm
xterm-debuginfo-295-3.el7_9.1.ppc64.rpm

ppc64le:
xterm-295-3.el7_9.1.ppc64le.rpm
xterm-debuginfo-295-3.el7_9.1.ppc64le.rpm

s390x:
xterm-295-3.el7_9.1.s390x.rpm
xterm-debuginfo-295-3.el7_9.1.s390x.rpm

x86_64:
xterm-295-3.el7_9.1.x86_64.rpm
xterm-debuginfo-295-3.el7_9.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
xterm-295-3.el7_9.1.src.rpm

x86_64:
xterm-295-3.el7_9.1.x86_64.rpm
xterm-debuginfo-295-3.el7_9.1.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-2021-27135
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-2021-0617:01 Important: xterm security update

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

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.



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

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: xterm-295-3.el7_9.1.src.rpm
x86_64: xterm-295-3.el7_9.1.x86_64.rpm xterm-debuginfo-295-3.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: xterm-295-3.el7_9.1.src.rpm
x86_64: xterm-295-3.el7_9.1.x86_64.rpm xterm-debuginfo-295-3.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: xterm-295-3.el7_9.1.src.rpm
ppc64: xterm-295-3.el7_9.1.ppc64.rpm xterm-debuginfo-295-3.el7_9.1.ppc64.rpm
ppc64le: xterm-295-3.el7_9.1.ppc64le.rpm xterm-debuginfo-295-3.el7_9.1.ppc64le.rpm
s390x: xterm-295-3.el7_9.1.s390x.rpm xterm-debuginfo-295-3.el7_9.1.s390x.rpm
x86_64: xterm-295-3.el7_9.1.x86_64.rpm xterm-debuginfo-295-3.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: xterm-295-3.el7_9.1.src.rpm
x86_64: xterm-295-3.el7_9.1.x86_64.rpm xterm-debuginfo-295-3.el7_9.1.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-2021:0617-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0617
Issued Date: : 2021-02-22
CVE Names: CVE-2021-27135

Topic

An update for xterm 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) - x86_64

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

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

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


Bugs Fixed

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


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