{"id":"RLSA-2026:0025","summary":"Important: thunderbird security update","details":"Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nSecurity Fix(es):\n\n* firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146 (CVE-2025-14333)\n\n* firefox: Use-after-free in the WebRTC: Signaling component (CVE-2025-14321)\n\n* firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14325)\n\n* firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2025-14322)\n\n* firefox: Privilege escalation in the Netmonitor component (CVE-2025-14328)\n\n* firefox: Privilege escalation in the Netmonitor component (CVE-2025-14329)\n\n* firefox: Same-origin policy bypass in the Request Handling component (CVE-2025-14331)\n\n* firefox: Privilege escalation in the DOM: Notifications component (CVE-2025-14323)\n\n* firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14330)\n\n* firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14324)\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":"2026-01-05T09:44:54.517089Z","published":"2026-01-05T09:08:05.477082Z","upstream":["CVE-2025-14321","CVE-2025-14322","CVE-2025-14323","CVE-2025-14324","CVE-2025-14325","CVE-2025-14328","CVE-2025-14329","CVE-2025-14330","CVE-2025-14331","CVE-2025-14333"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:0025"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420502"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420503"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420504"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420506"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420508"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420509"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420512"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420513"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420516"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420517"}],"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":"0:140.6.0-1.el10_1"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:0025.json"}}],"schema_version":"1.7.3","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"}]}