{"id":"RLSA-2025:21843","summary":"Important: thunderbird security update","details":"Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nSecurity Fix(es):\n\n* firefox: Mitigation bypass in the DOM: Security component (CVE-2025-13018)\n\n* firefox: Use-after-free in the Audio/Video component (CVE-2025-13014)\n\n* firefox: Incorrect boundary conditions in the JavaScript: WebAssembly component (CVE-2025-13016)\n\n* firefox: Same-origin policy bypass in the DOM: Workers component (CVE-2025-13019)\n\n* firefox: Use-after-free in the WebRTC: Audio/Video component (CVE-2025-13020)\n\n* firefox: Race condition in the Graphics component (CVE-2025-13012)\n\n* firefox: Spoofing issue in Firefox (CVE-2025-13015)\n\n* firefox: Mitigation bypass in the DOM: Core & HTML component (CVE-2025-13013)\n\n* firefox: Same-origin policy bypass in the DOM: Notifications component (CVE-2025-13017)\n\nFor 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.","modified":"2026-03-11T06:35:53.500829Z","published":"2025-11-21T18:19:15.687303Z","upstream":["CVE-2025-13012","CVE-2025-13013","CVE-2025-13014","CVE-2025-13015","CVE-2025-13016","CVE-2025-13017","CVE-2025-13018","CVE-2025-13019","CVE-2025-13020"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2025:21843"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414079"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414080"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414083"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414084"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414085"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414086"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414090"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414091"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414092"}],"affected":[{"package":{"name":"thunderbird","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/thunderbird?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:140.5.0-2.el10_1"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2025:21843.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}