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

Synopsis:          Important: emacs security update
Advisory ID:       RHSA-2023:2626-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:2626
Issue date:        2023-05-09
CVE Names:         CVE-2022-48337 CVE-2022-48338 CVE-2022-48339 
                   CVE-2023-2491 
====================================================================
1. Summary:

An update for emacs is now available for Red Hat Enterprise Linux 9.

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 (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

GNU Emacs is a powerful, customizable, self-documenting text editor. It
provides special code editing features, a scripting language (elisp), and
the capability to read e-mail and news.

Security Fix(es):

* emacs: Regression of CVE-2023-28617 fixes in the Red Hat Enterprise Linux
(CVE-2023-2491)

* emacs: command execution via shell metacharacters (CVE-2022-48337)

* emacs: local command injection in ruby-mode.el (CVE-2022-48338)

* emacs: command injection vulnerability in htmlfontify.el (CVE-2022-48339)

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/):

2171987 - CVE-2022-48337 emacs: command execution via shell metacharacters2171988 - CVE-2022-48338 emacs: local command injection in ruby-mode.el
2171989 - CVE-2022-48339 emacs: command injection vulnerability in htmlfontify.el
2192873 - CVE-2023-2491 emacs: Regression of CVE-2023-28617 fixes in the Red Hat Enterprise Linux

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source:
emacs-27.2-8.el9_2.1.src.rpm

aarch64:
emacs-27.2-8.el9_2.1.aarch64.rpm
emacs-common-27.2-8.el9_2.1.aarch64.rpm
emacs-common-debuginfo-27.2-8.el9_2.1.aarch64.rpm
emacs-debuginfo-27.2-8.el9_2.1.aarch64.rpm
emacs-debugsource-27.2-8.el9_2.1.aarch64.rpm
emacs-lucid-27.2-8.el9_2.1.aarch64.rpm
emacs-lucid-debuginfo-27.2-8.el9_2.1.aarch64.rpm
emacs-nox-27.2-8.el9_2.1.aarch64.rpm
emacs-nox-debuginfo-27.2-8.el9_2.1.aarch64.rpm

noarch:
emacs-filesystem-27.2-8.el9_2.1.noarch.rpm

ppc64le:
emacs-27.2-8.el9_2.1.ppc64le.rpm
emacs-common-27.2-8.el9_2.1.ppc64le.rpm
emacs-common-debuginfo-27.2-8.el9_2.1.ppc64le.rpm
emacs-debuginfo-27.2-8.el9_2.1.ppc64le.rpm
emacs-debugsource-27.2-8.el9_2.1.ppc64le.rpm
emacs-lucid-27.2-8.el9_2.1.ppc64le.rpm
emacs-lucid-debuginfo-27.2-8.el9_2.1.ppc64le.rpm
emacs-nox-27.2-8.el9_2.1.ppc64le.rpm
emacs-nox-debuginfo-27.2-8.el9_2.1.ppc64le.rpm

s390x:
emacs-27.2-8.el9_2.1.s390x.rpm
emacs-common-27.2-8.el9_2.1.s390x.rpm
emacs-common-debuginfo-27.2-8.el9_2.1.s390x.rpm
emacs-debuginfo-27.2-8.el9_2.1.s390x.rpm
emacs-debugsource-27.2-8.el9_2.1.s390x.rpm
emacs-lucid-27.2-8.el9_2.1.s390x.rpm
emacs-lucid-debuginfo-27.2-8.el9_2.1.s390x.rpm
emacs-nox-27.2-8.el9_2.1.s390x.rpm
emacs-nox-debuginfo-27.2-8.el9_2.1.s390x.rpm

x86_64:
emacs-27.2-8.el9_2.1.x86_64.rpm
emacs-common-27.2-8.el9_2.1.x86_64.rpm
emacs-common-debuginfo-27.2-8.el9_2.1.x86_64.rpm
emacs-debuginfo-27.2-8.el9_2.1.x86_64.rpm
emacs-debugsource-27.2-8.el9_2.1.x86_64.rpm
emacs-lucid-27.2-8.el9_2.1.x86_64.rpm
emacs-lucid-debuginfo-27.2-8.el9_2.1.x86_64.rpm
emacs-nox-27.2-8.el9_2.1.x86_64.rpm
emacs-nox-debuginfo-27.2-8.el9_2.1.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-2022-48337
https://access.redhat.com/security/cve/CVE-2022-48338
https://access.redhat.com/security/cve/CVE-2022-48339
https://access.redhat.com/security/cve/CVE-2023-2491
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 2023 Red Hat, Inc.
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