{"schema_version": "1.7.0", "id": "RLSA-2025:21843", "modified": "2025-11-21T18:22:46.429514Z", "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"], "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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "thunderbird", "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"}}]}], "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"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}