- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202010-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Mozilla Firefox, Mozilla Thunderbird: Multiple vulnerabilities Date: October 17, 2020 Bugs: #744208, #745432 ID: 202010-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in Mozilla Firefox and Mozilla Thunderbird, the worst of which could result in the arbitrary execution of code. Background ========== Mozilla Firefox is a popular open-source web browser from the Mozilla project. Mozilla Thunderbird is a popular open-source email client from the Mozilla project. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-client/firefox < 81.0 >= 78.3.0:0/esr78 >= 81.0 2 www-client/firefox-bin < 81.0 >= 78.3.0:0/esr78 >= 81.0 3 mail-client/thunderbird < 78.3.1 >= 78.3.1 4 mail-client/thunderbird-bin < 78.3.1 >= 78.3.1 ------------------------------------------------------------------- 4 affected packages Description =========== Multiple vulnerabilities have been discovered in Mozilla Firefox and Mozilla Thunderbird. Please review the CVE identifiers referenced below for details. Impact ====== Please review the referenced CVE identifiers for details. Workaround ========== There is no known workaround at this time. Resolution ========== All Mozilla Firefox users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/firefox-81.0" All Mozilla Firefox (bin) users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-81.0" All Mozilla Firefox ESR (bin) users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/firefox-78.3.0" All Mozilla Firefox ESR (bin) users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-78.3.0" All Mozilla Thunderbird users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=mail-client/thunderbird-78.3.1" All Mozilla Thunderbird (bin) users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=mail-client/thunderbird-bin-78.3.1" References ========== [ 1 ] CVE-2020-15673 https://nvd.nist.gov/vuln/detail/CVE-2020-15673 [ 2 ] CVE-2020-15676 https://nvd.nist.gov/vuln/detail/CVE-2020-15676 [ 3 ] CVE-2020-15677 https://nvd.nist.gov/vuln/detail/CVE-2020-15677 [ 4 ] CVE-2020-15678 https://nvd.nist.gov/vuln/detail/CVE-2020-15678 [ 5 ] Mozilla Foundation Security Advisory 2020-43 https://www.mozilla.org/en-US/security/advisories/mfsa2020-43/ [ 6 ] Mozilla Foundation Security Advisory 2020-44 https://www.mozilla.org/en-US/security/advisories/mfsa2020-44/ Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202010-02 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 2020 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