{"schema_version":"1.7.2","id":"OESA-2026-4296","modified":"2026-10-16T11:59:03Z","published":"2026-10-16T11:59:03Z","upstream":["CVE-2026-100756","CVE-2026-100757","CVE-2026-100758","CVE-2026-100759","CVE-2026-100762","CVE-2026-100766","CVE-2026-100767","CVE-2026-100769","CVE-2026-100770","CVE-2026-100771","CVE-2026-100772","CVE-2026-100773","CVE-2026-100774","CVE-2026-100775","CVE-2026-100776","CVE-2026-100777","CVE-2026-100778","CVE-2026-100779","CVE-2026-100780","CVE-2026-100781","CVE-2026-100782","CVE-2026-100783","CVE-2026-100784","CVE-2026-100785","CVE-2026-100786","CVE-2026-100788","CVE-2026-100789","CVE-2026-100790","CVE-2026-100791","CVE-2026-100792","CVE-2026-100794","CVE-2026-100797","CVE-2026-100801","CVE-2026-100803","CVE-2026-100807","CVE-2026-100811","CVE-2026-100818","CVE-2026-100819","CVE-2026-100820","CVE-2026-100821","CVE-2026-100832","CVE-2026-92035","CVE-2026-96869"],"summary":"firefox security update","details":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability.\r\n\r\nSecurity Fix(es):\n\nIncorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100756)\n\nUse-after-free in the Widget component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100757)\n\nSandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100758)\n\nUninitialized memory in the Storage: Quota Manager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100759)\n\nSandbox escape due to use-after-free in the DOM: Content Processes component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100762)\n\nInformation disclosure in the Networking: JAR component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100766)\n\nUse-after-free in the Networking: Cache component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100767)\n\nUse-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100769)\n\nSandbox escape due to use-after-free in the DOM: Content Processes component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100770)\n\nUndefined behavior in the DOM: Streams component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100771)\n\nUse-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100772)\n\nUse-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100773)\n\nUse-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100774)\n\nSandbox escape in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100775)\n\nUse-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100776)\n\nUse-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100777)\n\nSandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100778)\n\nUse-after-free in the XSLT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100779)\n\nUse-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100780)\n\nSandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100781)\n\nPrivilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100782)\n\nUninitialized memory in the Audio/Video component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100783)\n\nUse-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100784)\n\nUse-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100785)\n\nSandbox escape due to use-after-free in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100786)\n\nInvalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100788)\n\nUse-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100789)\n\nUse-after-free in the XSLT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100790)\n\nUse-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100791)\n\nJIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100792)\n\nSandbox escape due to incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100794)\n\nPrivilege escalation due to use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100797)\n\nPrivilege escalation in the DLL Services component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100801)\n\nSame-origin policy bypass in the WebExtensions component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100803)\n\nPrivilege escalation in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100807)\n\nSandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100811)\n\nSandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100818)\n\nSandbox escape due to incorrect boundary conditions in the XPCOM component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100819)\n\nPrivilege escalation in the Address Bar component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-100820)\n\nSite isolation issue in the Panning and Zooming component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100821)\n\nUse-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 140.17, Thunderbird 153.4, Firefox ESR 115.42, and Firefox ESR 140.17.(CVE-2026-100832)\n\nSandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.(CVE-2026-92035)\n\nInformation disclosure in the Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.(CVE-2026-96869)","affected":[{"package":{"ecosystem":"openEuler:24.03-LTS-SP1","name":"firefox","purl":"pkg:rpm/openEuler/firefox&distro=openEuler-24.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.17.0-1.oe2403sp1"}]}],"ecosystem_specific":{"aarch64":["firefox-140.17.0-1.oe2403sp1.aarch64.rpm","firefox-debuginfo-140.17.0-1.oe2403sp1.aarch64.rpm","firefox-debugsource-140.17.0-1.oe2403sp1.aarch64.rpm"],"src":["firefox-140.17.0-1.oe2403sp1.src.rpm"],"x86_64":["firefox-140.17.0-1.oe2403sp1.x86_64.rpm","firefox-debuginfo-140.17.0-1.oe2403sp1.x86_64.rpm","firefox-debugsource-140.17.0-1.oe2403sp1.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4296"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100756"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100757"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100758"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100759"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100762"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100766"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100767"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100769"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100770"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100771"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100772"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100773"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100774"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100775"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100776"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100777"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100778"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100779"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100780"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100781"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100782"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100783"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100784"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100785"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100786"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100788"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100789"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100790"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100791"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100792"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100794"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100797"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100801"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100803"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100807"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100811"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100818"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100819"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100820"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100821"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100832"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92035"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96869"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"}],"database_specific":{"severity":"Critical"}}