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Gentoo Linux Security Advisory                           GLSA 202008-14
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Wireshark: Denial of service
     Date: August 26, 2020
     Bugs: #736914
       ID: 202008-14

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Synopsis
========

A vulnerability in Wireshark could lead to a Denial of Service
condition.

Background
==========

Wireshark is a network protocol analyzer formerly known as ethereal.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/wireshark       < 3.2.6                    >= 3.2.6

Description
===========

A double free error was discovered in Wireshark's Kafka dissector.

Impact
======

A remote attacker could exploit these vulnerabilities by sending a
malformed packet or enticing a user to read a malformed packet trace
file, causing a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Wireshark users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose
 ">=net-analyzer/wireshark-3.2.6"

References
==========

[ 1 ] CVE-2020-17498
      https://nvd.nist.gov/vuln/detail/CVE-2020-17498

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202008-14

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5


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