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Gentoo Linux Security Advisory GLSA 202105-12
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https://security.gentoo.org/
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Severity: Low
Title: OpenSMTPD: Multiple vulnerabilities
Date: May 26, 2021
Bugs: #761945
ID: 202105-12
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Synopsis
========
Multiple vulnerabilities have been found in OpenSMTPD, the worst of
which could result in a Denial of Service condition.
Background
==========
OpenSMTPD is a lightweight but featured SMTP daemon from OpenBSD.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-mta/opensmtpd < 6.8.0_p2 >= 6.8.0_p2
Description
===========
Multiple vulnerabilities have been discovered in OpenSMTPD. Please
review the CVE identifiers referenced below for details.
Impact
======
A remote attacker, by connecting to the SMTP listener daemon, could
possibly cause a Denial of Service condition.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All OpenSMTPD users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/opensmtpd-6.8.0_p2"
References
==========
[ 1 ] CVE-2020-35679
https://nvd.nist.gov/vuln/detail/CVE-2020-35679
[ 2 ] CVE-2020-35680
https://nvd.nist.gov/vuln/detail/CVE-2020-35680
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202105-12
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 2021 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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