- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202105-12 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Low Title: OpenSMTPD: Multiple vulnerabilities Date: May 26, 2021 Bugs: #761945 ID: 202105-12 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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