Fedora 34: jansi 2021-66d6c484f3 | LinuxSecurity.com

Advisories

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Fedora Update Notification
FEDORA-2021-66d6c484f3
2021-12-22 01:12:27.897393
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Name        : jansi
Product     : Fedora 34
Version     : 2.1.1
Release     : 4.fc34
URL         : https://fusesource.github.io/jansi/
Summary     : Generate and interpret ANSI escape sequences in Java
Description :
Jansi is a small java library that allows you to use ANSI escape sequences
in your Java console applications. It implements ANSI support on platforms
which don't support it like Windows and provides graceful degradation for
when output is being sent to output devices which cannot support ANSI sequences.

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Update Information:

This update provides log4j 2.16.0, to address the critical vulnerability
CVE-2021-44228 ("Log4Shell"). Note with 2.16.0, JNDI is entirely disabled by
default; to use it, you must set `log4j2.enableJndi` (please carefully consider
potential security issues before doing so).  The updated jansi adds (back) a
feature, `AnsiRenderer`, which the newer log4j requires; this is the only change
to jansi.  For other changes in log4j 2.16.0, see the [upstream
changelog](https://logging.apache.org/log4j/2.x/changes-report.html#a2.16.0).
Most changes are compatible enhancements or bug fixes, but there may be some
behaviour changes.
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ChangeLog:

* Mon Dec 13 2021 Adam Williamson  - 2.1.1-4
- Backport patch to bring back AnsiRenderer
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References:

  [ 1 ] Bug #2030945 - CVE-2021-44228 log4j: log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value [fedora-all]
        https://bugzilla.redhat.com/show_bug.cgi?id=2030945
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-66d6c484f3' at the command
line. For more information, refer to the dnf documentation available at
https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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Fedora 34: jansi 2021-66d6c484f3

December 21, 2021
This update provides log4j 2.16.0, to address the critical vulnerability CVE-2021-44228 ("Log4Shell")

Summary

Jansi is a small java library that allows you to use ANSI escape sequences

in your Java console applications. It implements ANSI support on platforms

which don't support it like Windows and provides graceful degradation for

when output is being sent to output devices which cannot support ANSI sequences.

Update Information:

This update provides log4j 2.16.0, to address the critical vulnerability CVE-2021-44228 ("Log4Shell"). Note with 2.16.0, JNDI is entirely disabled by default; to use it, you must set `log4j2.enableJndi` (please carefully consider potential security issues before doing so). The updated jansi adds (back) a feature, `AnsiRenderer`, which the newer log4j requires; this is the only change to jansi. For other changes in log4j 2.16.0, see the [upstream changelog](https://logging.apache.org/log4j/2.x/changes-report.html#a2.16.0). Most changes are compatible enhancements or bug fixes, but there may be some behaviour changes.

Change Log

* Mon Dec 13 2021 Adam Williamson - 2.1.1-4 - Backport patch to bring back AnsiRenderer

References

[ 1 ] Bug #2030945 - CVE-2021-44228 log4j: log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2030945

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2021-66d6c484f3' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
Name : jansi
Product : Fedora 34
Version : 2.1.1
Release : 4.fc34
URL : https://fusesource.github.io/jansi/
Summary : Generate and interpret ANSI escape sequences in Java

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