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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.0892
                          flatpak security update
                               15 March 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           flatpak
Publisher:         Debian
Operating System:  Debian GNU/Linux
                   Linux variants
Impact/Access:     Access Confidential Data -- Existing Account
                   Reduced Security         -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-21381  

Original Bulletin: 
   http://www.debian.org/security/2021/dsa-4868

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running flatpak check for an updated version of the software for 
         their operating system.

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Debian Security Advisory DSA-4868-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
March 12, 2021                        https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : flatpak
CVE ID         : CVE-2021-21381

Anton Lydike discovered that sandbox restrictions in Flatpak, an
application deployment framework for desktop apps, could by bypassed
via a malicious .desktop file.

For the stable distribution (buster), this problem has been fixed in
version 1.2.5-0+deb10u4.

We recommend that you upgrade your flatpak packages.

For the detailed security status of flatpak please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/flatpak

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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===========================================================================
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===========================================================================
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