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

Synopsis:          Moderate: less security update
Advisory ID:       RHSA-2023:3725-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:3725
Issue date:        2023-06-21
CVE Names:         CVE-2022-46663 
=====================================================================

1. Summary:

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

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 BaseOS (v. 9) - aarch64, ppc64le, s390x, x86_64

3. Description:

The "less" utility is a text file browser that resembles "more", but allows
users to move backwards in the file as well as forwards. Since "less" does
not read the entire input file at startup, it also starts more quickly than
ordinary text editors.

Security Fix(es):

* less: crafted data can result in "less -R" not filtering ANSI escape
sequences sent to the terminal (CVE-2022-46663)

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/):

2169621 - CVE-2022-46663 less: crafted data can result in "less -R" not filtering ANSI escape sequences sent to the terminal

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 9):

Source:
less-590-2.el9_2.src.rpm

aarch64:
less-590-2.el9_2.aarch64.rpm
less-debuginfo-590-2.el9_2.aarch64.rpm
less-debugsource-590-2.el9_2.aarch64.rpm

ppc64le:
less-590-2.el9_2.ppc64le.rpm
less-debuginfo-590-2.el9_2.ppc64le.rpm
less-debugsource-590-2.el9_2.ppc64le.rpm

s390x:
less-590-2.el9_2.s390x.rpm
less-debuginfo-590-2.el9_2.s390x.rpm
less-debugsource-590-2.el9_2.s390x.rpm

x86_64:
less-590-2.el9_2.x86_64.rpm
less-debuginfo-590-2.el9_2.x86_64.rpm
less-debugsource-590-2.el9_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/

7. References:

https://access.redhat.com/security/cve/CVE-2022-46663
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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