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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.1927 Critical: firefox security update 4 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: firefox Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2021-29967 Reference: ESB-2021.1925 ESB-2021.1921 ESB-2021.1920 ESB-2021.1897 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:2233 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2021:2233-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2233 Issue date: 2021-06-03 CVE Names: CVE-2021-29967 ===================================================================== 1. Summary: An update for firefox is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.11.0 ESR. Security Fix(es): * Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1966831 - CVE-2021-29967 Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: firefox-78.11.0-3.el8_4.src.rpm aarch64: firefox-78.11.0-3.el8_4.aarch64.rpm firefox-debuginfo-78.11.0-3.el8_4.aarch64.rpm firefox-debugsource-78.11.0-3.el8_4.aarch64.rpm ppc64le: firefox-78.11.0-3.el8_4.ppc64le.rpm firefox-debuginfo-78.11.0-3.el8_4.ppc64le.rpm firefox-debugsource-78.11.0-3.el8_4.ppc64le.rpm s390x: firefox-78.11.0-3.el8_4.s390x.rpm firefox-debuginfo-78.11.0-3.el8_4.s390x.rpm firefox-debugsource-78.11.0-3.el8_4.s390x.rpm x86_64: firefox-78.11.0-3.el8_4.x86_64.rpm firefox-debuginfo-78.11.0-3.el8_4.x86_64.rpm firefox-debugsource-78.11.0-3.el8_4.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-29967 https://access.redhat.com/security/updates/classification/#critical 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYLiuhtzjgjWX9erEAQjM5RAAqN5cOdMnBiJcCsTm6A/kkIDn8TEkz/84 wXC5yn9KL3K3dupNAjr/+7V04TFN032Ly4PzvcP86f9E86XY4d2LgaaL3aBCmtpU 2+Z1uBlE8ssxIEKnqHSkyOgtUMFFLOsiZeoVkSu/8C1Z/pJWwhMOfeI4x5DAP5em 9BkZbJMh6OHjXdGsCtr0MkBfShfOBlNfOR6Z33PTmOYoDpMt69LDy0GgaszGE+W4 7w94584F2cD8KFpJpub0sDRZk+WoT4NaaHlBqOgKWSebskzj1TDanUd0irZYfvyR c4kicFnUtnaUGaRWzFSj0SkdyWVOtdpicDTr7hS3bVBinubZQjvpNfrMk20YcgZR SLj8Tx/RDIBMRKvKfKgz46cuXNoQDDEhpYffLZzfrhJcEhGGBlhBRKTQrCaFG1te i1eIg4dX8mdMDLtza9veUDkSLtXPeiJbiITN55cDajSUI+k9/nlAJ4F2/A7wVW4+ z5NofIqI5HPs8qCJV20oFjlOfjNzYrQnuszYTu0Y/f0+Kj2l04Xt5jRIWisBxBeY D5ubkGZQEOoy8AtRxCTWv/Ynbr3V2L6gmTtzaP/Xy2KrYcMcxZ1HULRABtXPGNzS z4Z3XvOXzMmYoEdqwryJATvKyZg86RQgp1hWQR6KXAihIrqX9APMJDtkZ4aE8nF9 NlABAKGIWo8= =daNl - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYLliteNLKJtyKPYoAQhQuA/9HNqbstx3vkkFVIH6Mc3lM0GDLjESE3bG EYS9kueTqMl1U0hiQmAWjZ0zrZPY8yeJTVu375GW9s+Xl0qM3sEfk2kecEl2cRje D42G3vlMdmTqzopYLKyXkvZ9vuIxXdxMfdXp85gFT5FWXMO+pnP9A60w1VLJTU3v FmB5CKu8LIpwJUxra+E+o/72BaXs0Rp0thupQQTrQt1mwm/HnIS1lhflIWYw6zbu 2wCbRj7Anl/JFfX1KFVGgK+ykapsnCzxBHczh/NHiNbBKKnPmbmkE0IJCRXpqY49 Su4PNICC8OKsbIGCyKkeNQHI9sxTHf5CPYuvPptSCsAAeh+A0vZzL1bWmXzHKnX1 Fy0IMxuSF6bfWtuyoJzWeBoqa1ElLKiTV8zRNU52pRrZrDO2Et8RK1z6chIFgDRa 22o9ackIWQQ9+GjYQxa8sR/nQ6Yts3AW7EfteoQLSuVry8UdOnczH5SI0LKwLx7r OBF7rkL+rMoQHfTT20wqml6Vq9DSR+zXKzriQg0ZDqEMC6bZiHsb5rG494XFbmIn fV4oRSL0ZrfaQ40ECA+Qt6GhjYstY8KhssmuEhxkFP8IasS+nEyGne9hGmVyCVeu L7CjVAUFpHJr+Ia5OsBVcWk1vRRVA8FnUHSaT6R6Wi8tZeqx3L2yOG/7G6EPNKd/ Kwt1VEaRzn4= =TEDp -----END PGP SIGNATURE-----