-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Critical: thunderbird security update Advisory ID: RHSA-2022:4774-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:4774 Issue date: 2022-05-27 CVE Names: CVE-2022-1529 CVE-2022-1802 ==================================================================== 1. Summary: An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. 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 EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64 3. Description: Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.9.1. Security Fix(es): * Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution (CVE-2022-1529) * Mozilla: Prototype pollution in Top-Level Await implementation (CVE-2022-1802) 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 All running instances of Thunderbird must be restarted for the update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 2089217 - CVE-2022-1802 Mozilla: Prototype pollution in Top-Level Await implementation 2089218 - CVE-2022-1529 Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution 6. Package List: Red Hat Enterprise Linux AppStream EUS (v.8.4): Source: thunderbird-91.9.1-1.el8_4.src.rpm aarch64: thunderbird-91.9.1-1.el8_4.aarch64.rpm thunderbird-debuginfo-91.9.1-1.el8_4.aarch64.rpm thunderbird-debugsource-91.9.1-1.el8_4.aarch64.rpm ppc64le: thunderbird-91.9.1-1.el8_4.ppc64le.rpm thunderbird-debuginfo-91.9.1-1.el8_4.ppc64le.rpm thunderbird-debugsource-91.9.1-1.el8_4.ppc64le.rpm s390x: thunderbird-91.9.1-1.el8_4.s390x.rpm thunderbird-debuginfo-91.9.1-1.el8_4.s390x.rpm thunderbird-debugsource-91.9.1-1.el8_4.s390x.rpm x86_64: thunderbird-91.9.1-1.el8_4.x86_64.rpm thunderbird-debuginfo-91.9.1-1.el8_4.x86_64.rpm thunderbird-debugsource-91.9.1-1.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-2022-1529 https://access.redhat.com/security/cve/CVE-2022-1802 https://access.redhat.com/security/updates/classification/#critical 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYpDdbtzjgjWX9erEAQjBWw/7Bd1XqOKgeSY2U9on7+bWg2E711t1yvjd cWn9g/OsSLOs6x1kUhtRtMcYffNHsepQlehXCKZDmOxJ0QMIgEpjf6RGrwuU5bWa 8TuQsV/2ea+Js8M/FZze0thq0KKk3Lp5QC9a5nQ9yyCua/JDUhlbad4vfdmEawFs mbFDfpbg+dFTtO+/MM00eLOG4c3a2WTYJHwDuBvi0Es6f3xhTeyk1us15SIZJAKT 3KLM4mu/sVvF5FOc+9Gl/J/0f1pw33Xa7dWnqlaF+8hZGKSOlkgwM1YBNtK3LgNU BjixX0Rf249jLl8dIoFrxQwJNsS1rmh6XlMN0zAXtQ84RlvpztKlB/knhoFJyMXn RnopfBUbg2m4DEZBgX4cAIRME3+DniRPL0WLr30Zr4LKe7uWzBJR+4NbprHW4TgP c+iOdUISd5X/8Ugd+JWAMkQ+3L+LUDTo1R7TjUcZS5+vneBtDZ4na56sdWkufHPg 2dX6KU06Bngjp3SoruZtXRZwu9Ur0x9nGK0XGLBkEh7gug9ywL20O915JlzfqwuK CRaEcprhNUjcdKcMyhlpuDISabOA5YKVzGMrVdqkVpmH4I1N26ERu7sc0ISZoYtJ lnVWt7035cv8hEM9cjK0S11FU0dJaeKPXEHJb6zwxWlayIrUsrS0oq1FbYVG2/Ow 5AACoLgkoMk=UX3i -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce