-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: thunderbird security update Advisory ID: RHSA-2020:2907-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2907 Issue date: 2020-07-14 CVE Names: CVE-2020-12417 CVE-2020-12418 CVE-2020-12419 CVE-2020-12420 CVE-2020-12421 ===================================================================== 1. Summary: An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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. 8.1) - ppc64le, x86_64 3. Description: Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.10.0. Security Fix(es): * Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64 (CVE-2020-12417) * Mozilla: Information disclosure due to manipulated URL object (CVE-2020-12418) * Mozilla: Use-after-free in nsGlobalWindowInner (CVE-2020-12419) * Mozilla: Use-After-Free when trying to connect to a STUN server (CVE-2020-12420) * Mozilla: Add-On updates did not respect the same certificate trust rules as software updates (CVE-2020-12421) 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/): 1853014 - CVE-2020-12417 Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64 1853015 - CVE-2020-12418 Mozilla: Information disclosure due to manipulated URL object 1853016 - CVE-2020-12419 Mozilla: Use-after-free in nsGlobalWindowInner 1853017 - CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server 1853018 - CVE-2020-12421 Mozilla: Add-On updates did not respect the same certificate trust rules as software updates 6. Package List: Red Hat Enterprise Linux AppStream EUS (v. 8.1): Source: thunderbird-68.10.0-1.el8_1.src.rpm ppc64le: thunderbird-68.10.0-1.el8_1.ppc64le.rpm thunderbird-debuginfo-68.10.0-1.el8_1.ppc64le.rpm thunderbird-debugsource-68.10.0-1.el8_1.ppc64le.rpm x86_64: thunderbird-68.10.0-1.el8_1.x86_64.rpm thunderbird-debuginfo-68.10.0-1.el8_1.x86_64.rpm thunderbird-debugsource-68.10.0-1.el8_1.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-2020-12417 https://access.redhat.com/security/cve/CVE-2020-12418 https://access.redhat.com/security/cve/CVE-2020-12419 https://access.redhat.com/security/cve/CVE-2020-12420 https://access.redhat.com/security/cve/CVE-2020-12421 https://access.redhat.com/security/updates/classification/#important https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXw2TxtzjgjWX9erEAQhdTw//a7QpMA6cImIfvlGT3xupDDH8CsDXNNtO hJOthsYzmoOEwGsxuE2T7U7PCcmV7IgNiBtToY9JF/hEGDQ+d4DgoZR1FNQCUSLR EPknUkRelrGP3Zq3wMDTlXN+k2yZcB7iNtontPB3ch+BBJp6EqtOLUsGAzRJmOrg 4wVghAMznczCVCZAiQBCgICRSspxENzncXWlhnD5af5su9psUqRa+ib340QhxkgD x0mm3hZwRn5M1HWHVw4NCq1VcexLHcm3S79AYTdgsZGJQQguMRCQEkXBPsFP3OaX bdD2Ri3jslcIpH/HWs3IbDmbuPl5G9WZDa+V0m+GG2ALlDIKSMxyMv7IblIKMy5d r86RG7mfVUEgUzhogSpi24VAZamry8W5LJEyVYeFssX/NYpj6Xsju1YczbudvfWK nruMz7SuO78gjTdwcixMS7ee35Yz1Cw44QMKbu0mZsuaZW4pSOHSoO0Il2KmWunr oa2S0affkrRqbPBzdo8I1AvXdnYb2v4nmfd3NSSwtpsVWcwGLVXqFWqMCeoPkWei i2D59Q1sJpBQpT007VQPxwEckP0ahu5R2sMMInGjlisaqwkDV1YpZ9ijyfGUy+5U Unxx+nMdJIeOIHBxZKjNQT5dfFuCTAM2PfGuRACumuO3f8/gKk2I2B4tRQseNo7l 0+LwcNJVHls= =3GO/ -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce