{"id":"RLSA-2026:47105","summary":"Important: firefox security update","details":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nSecurity Fix(es):\n\n* libaom: libaom: heap buffer overflow in AV1 encoder first-pass stats buffer via LAP mode (CVE-2026-56208)\n\n* firefox: thunderbird: Site isolation issue in the DOM: Navigation component (CVE-2026-15719)\n\n* firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component (CVE-2026-15718)\n\n* firefox: thunderbird: Mitigation bypass in the Enterprise Policies component (CVE-2026-16390)\n\n* firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: cubeb component (CVE-2026-16350)\n\n* firefox: thunderbird: Information disclosure in the Storage: IndexedDB component (CVE-2026-16391)\n\n* firefox: thunderbird: Site isolation issue in the Networking: HTTP component (CVE-2026-16375)\n\n* firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-16356)\n\n* firefox: thunderbird: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-16363)\n\n* firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.13 and Firefox 153 (CVE-2026-16412)\n\n* firefox: thunderbird: Same-origin policy bypass in the Networking: DNS component (CVE-2026-16381)\n\n* firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-16355)\n\n* firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.38 and Firefox ESR 140.13 (CVE-2026-16361)\n\n* firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-16352)\n\n* firefox: thunderbird: Incorrect boundary conditions in the JavaScript: WebAssembly component (CVE-2026-16368)\n\n* firefox: thunderbird: Mitigation bypass in the PDF Viewer component (CVE-2026-16377)\n\n* firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.38, Firefox ESR 140.13 and Firefox 153 (CVE-2026-16360)\n\n* firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component (CVE-2026-16362)\n\n* firefox: thunderbird: Site isolation issue in the Graphics: WebRender component (CVE-2026-16358)\n\n* firefox: thunderbird: Site isolation issue in the Networking component (CVE-2026-16387)\n\n* firefox: thunderbird: Same-origin policy bypass in the DOM: Navigation component (CVE-2026-16349)\n\n* firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-16357)\n\n* firefox: thunderbird: Sandbox escape due to use-after-free in the DOM: Navigation component (CVE-2026-16351)\n\n* firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-16371)\n\n* firefox: thunderbird: Privilege escalation in the DOM: Content Processes component (CVE-2026-16379)\n\n* firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-16354)\n\n* firefox: thunderbird: Information disclosure in the Framework component in DevTools (CVE-2026-16374)\n\n* firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-16359)\n\n* firefox: thunderbird: Mitigation bypass in the DOM: Networking component (CVE-2026-16383)\n\n* firefox: thunderbird: Integer overflow in the JavaScript: WebAssembly component (CVE-2026-16369)\n\n* firefox: thunderbird: Invalid pointer in the DOM: Bindings (WebIDL) component (CVE-2026-16353)\n\n* firefox: thunderbird: Privilege escalation in WebExtensions (CVE-2026-16396)\n\n* firefox: thunderbird: Information disclosure in the Networking: WebSockets component (CVE-2026-16405)\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":"2026-07-29T18:25:49.310735256Z","published":"2026-07-29T18:01:13.110756Z","upstream":["CVE-2026-15718","CVE-2026-15719","CVE-2026-16349","CVE-2026-16350","CVE-2026-16351","CVE-2026-16352","CVE-2026-16353","CVE-2026-16354","CVE-2026-16355","CVE-2026-16356","CVE-2026-16357","CVE-2026-16358","CVE-2026-16359","CVE-2026-16360","CVE-2026-16361","CVE-2026-16362","CVE-2026-16363","CVE-2026-16368","CVE-2026-16369","CVE-2026-16371","CVE-2026-16374","CVE-2026-16375","CVE-2026-16377","CVE-2026-16379","CVE-2026-16381","CVE-2026-16383","CVE-2026-16387","CVE-2026-16390","CVE-2026-16391","CVE-2026-16396","CVE-2026-16405","CVE-2026-16412","CVE-2026-56208"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:47105"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2490799"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2499973"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2499974"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503415"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503416"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503420"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503423"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503425"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503430"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503432"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503434"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503439"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503440"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503444"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503451"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503454"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503456"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503463"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503472"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503473"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503485"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503489"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503491"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503497"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503498"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503500"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503501"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503505"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503512"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503513"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503517"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503521"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503527"}],"affected":[{"package":{"name":"firefox","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/firefox?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:140.13.0-1.el8_10"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:47105.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}