Linux Security
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RedHat: RHSA-2021-0650:01 Important: xterm security update

Date 23 Feb 2021
170
Posted By LinuxSecurity Advisories
An update for xterm is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: xterm security update
Advisory ID:       RHSA-2021:0650-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0650
Issue date:        2021-02-24
CVE Names:         CVE-2021-27135 
=====================================================================

1. Summary:

An update for xterm is now available for Red Hat Enterprise Linux 8.1
Extended Update Support.

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 AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, 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 AppStream EUS (v. 8.1):

Source:
xterm-331-1.el8_1.1.src.rpm

aarch64:
xterm-331-1.el8_1.1.aarch64.rpm
xterm-debuginfo-331-1.el8_1.1.aarch64.rpm
xterm-debugsource-331-1.el8_1.1.aarch64.rpm
xterm-resize-331-1.el8_1.1.aarch64.rpm
xterm-resize-debuginfo-331-1.el8_1.1.aarch64.rpm

ppc64le:
xterm-331-1.el8_1.1.ppc64le.rpm
xterm-debuginfo-331-1.el8_1.1.ppc64le.rpm
xterm-debugsource-331-1.el8_1.1.ppc64le.rpm
xterm-resize-331-1.el8_1.1.ppc64le.rpm
xterm-resize-debuginfo-331-1.el8_1.1.ppc64le.rpm

s390x:
xterm-331-1.el8_1.1.s390x.rpm
xterm-debuginfo-331-1.el8_1.1.s390x.rpm
xterm-debugsource-331-1.el8_1.1.s390x.rpm
xterm-resize-331-1.el8_1.1.s390x.rpm
xterm-resize-debuginfo-331-1.el8_1.1.s390x.rpm

x86_64:
xterm-331-1.el8_1.1.x86_64.rpm
xterm-debuginfo-331-1.el8_1.1.x86_64.rpm
xterm-debugsource-331-1.el8_1.1.x86_64.rpm
xterm-resize-331-1.el8_1.1.x86_64.rpm
xterm-resize-debuginfo-331-1.el8_1.1.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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