- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202102-01 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Mozilla Firefox: Multiple vulnerabilities Date: February 01, 2021 Bugs: #767334 ID: 202102-01 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in Mozilla Firefox, 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. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-client/firefox < 85.0 >= 78.7.0:0/esr78 >= 85.0 2 www-client/firefox-bin < 85.0 >= 78.7.0:0/esr78 >= 85.0 ------------------------------------------------------------------- 2 affected packages Description =========== Multiple vulnerabilities have been discovered in Mozilla Firefox. 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 ESR users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/firefox-78.7.0" All Mozilla Firefox ESR binary users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-78.7.0" All Mozilla Firefox users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/firefox-85.0" All Mozilla Firefox binary users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-85.0" References ========== [ 1 ] CVE-2021-23953 https://nvd.nist.gov/vuln/detail/CVE-2021-23953 [ 2 ] CVE-2021-23954 https://nvd.nist.gov/vuln/detail/CVE-2021-23954 [ 3 ] CVE-2021-23955 https://nvd.nist.gov/vuln/detail/CVE-2021-23955 [ 4 ] CVE-2021-23956 https://nvd.nist.gov/vuln/detail/CVE-2021-23956 [ 5 ] CVE-2021-23958 https://nvd.nist.gov/vuln/detail/CVE-2021-23958 [ 6 ] CVE-2021-23960 https://nvd.nist.gov/vuln/detail/CVE-2021-23960 [ 7 ] CVE-2021-23961 https://nvd.nist.gov/vuln/detail/CVE-2021-23961 [ 8 ] CVE-2021-23962 https://nvd.nist.gov/vuln/detail/CVE-2021-23962 [ 9 ] CVE-2021-23963 https://nvd.nist.gov/vuln/detail/CVE-2021-23963 [ 10 ] CVE-2021-23964 https://nvd.nist.gov/vuln/detail/CVE-2021-23964 [ 11 ] CVE-2021-23965 https://nvd.nist.gov/vuln/detail/CVE-2021-23965 [ 12 ] CVE-2021-26976 https://nvd.nist.gov/vuln/detail/CVE-2021-26976 [ 13 ] Upstream advisory (MFSA-2021-03) https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/ [ 14 ] Upstream advisory (MFSA-2021-04) https://www.mozilla.org/en-US/security/advisories/mfsa2021-04/ Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202102-01 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