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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 <[email protected]>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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