Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.1392
openssl security update
22 April 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: openssl
Publisher: Debian
Operating System: Debian GNU/Linux 9
Debian GNU/Linux 10
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-1967
Reference: ESB-2020.1381
Original Bulletin:
http://www.debian.org/security/2020/dsa-4661
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Debian Security Advisory DSA-4661-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
April 21, 2020 https://www.debian.org/security/faq
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Package : openssl
CVE ID : CVE-2020-1967
Bernd Edlinger discovered that malformed data passed to the
SSL_check_chain() function during or after a TLS 1.3 handshake could
cause a NULL dereference, resulting in denial of service.
The oldstable distribution (stretch) is not affected.
For the stable distribution (buster), this problem has been fixed in
version 1.1.1d-0+deb10u3.
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 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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