Operating System:

[Debian]

Published:

27 September 2021

Protect yourself against future threats.

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.3224
                          openssl security update
                             27 September 2021

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

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

Product:           openssl
Publisher:         Debian
Operating System:  Debian GNU/Linux
Impact/Access:     Denial of Service        -- Remote/Unauthenticated
                   Access Confidential Data -- Remote/Unauthenticated
                   Reduced Security         -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-3712  

Reference:         ESB-2021.3194
                   ESB-2021.2895
                   ESB-2021.2864

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2021/09/msg00014.html

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Debian LTS Advisory DLA-2766-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                    Thorsten Alteholz
September 27, 2021                            https://wiki.debian.org/LTS
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Package        : openssl
Version        : 1.1.0l-1~deb9u4
CVE ID         : CVE-2021-3712


An issue has been found in openssl, a Secure Sockets Layer toolkit.
Ingo Schwarze reported a buffer overrun flaw when processing ASN.1 
strings, which can result in denial of service.


For Debian 9 stretch, this problem has been fixed in version
1.1.0l-1~deb9u4.

We recommend that you upgrade your openssl packages.

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

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

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