Firefox

firefox

Vendor: Mozilla • 3,473 CVEs

CVEs (3,473)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2026-106016 1Mozilla 1Firefox Oct 13, 2026 Oct 6, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 157.0.1 and Thunderbird 158.
CVE-2026-96869 1Mozilla 2Firefox Thunderbird Oct 5, 2026 Sep 29, 2026 N/A· v4 4.3 MEDIUM· v3 N/A· v2 Information 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-2026-100832 1Mozilla 2Firefox Thunderbird Oct 5, 2026 Sep 29, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Use-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-2026-100831 1Mozilla 2Firefox Thunderbird Oct 13, 2026 Sep 29, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Use-after-free in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100830 1Mozilla 2Firefox Thunderbird Oct 13, 2026 Sep 29, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Mitigation bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100829 1Mozilla 2Firefox Thunderbird Oct 13, 2026 Sep 29, 2026 N/A· v4 9.6 CRITICAL· v3 N/A· v2 Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100828 1Mozilla 2Firefox Thunderbird Oct 13, 2026 Sep 29, 2026 N/A· v4 9.6 CRITICAL· v3 N/A· v2 Mitigation bypass in the Bookmarks & History component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100826 1Mozilla 2Firefox Thunderbird Oct 13, 2026 Sep 29, 2026 N/A· v4 6.5 MEDIUM· v3 N/A· v2 Denial-of-service in the Storage: StorageManager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100825 1Mozilla 2Firefox Thunderbird Oct 13, 2026 Sep 29, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100824 1Mozilla 2Firefox Thunderbird Oct 13, 2026 Sep 29, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Privilege escalation in the Places component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100822 1Mozilla 2Firefox Thunderbird Oct 13, 2026 Sep 29, 2026 N/A· v4 5.4 MEDIUM· v3 N/A· v2 Spoofing issue in the Networking: HTTP component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100821 1Mozilla 2Firefox Thunderbird Oct 13, 2026 Sep 29, 2026 N/A· v4 4.7 MEDIUM· v3 N/A· v2 Site 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 140.1...Show more Site 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.Show less
CVE-2026-100820 1Mozilla 2Firefox Thunderbird Oct 5, 2026 Sep 29, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Privilege 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-2026-100819 1Mozilla 2Firefox Thunderbird Oct 5, 2026 Sep 29, 2026 N/A· v4 9.6 CRITICAL· v3 N/A· v2 Sandbox 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...Show more Sandbox 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.Show less
CVE-2026-100818 1Mozilla 2Firefox Thunderbird Oct 5, 2026 Sep 29, 2026 N/A· v4 9.6 CRITICAL· v3 N/A· v2 Sandbox 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-2026-100817 1Mozilla 2Firefox Thunderbird Oct 6, 2026 Sep 29, 2026 N/A· v4 5.4 MEDIUM· v3 N/A· v2 Other issue in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100816 1Mozilla 2Firefox Thunderbird Oct 5, 2026 Sep 29, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Site isolation issue in the DOM: Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100815 1Mozilla 2Firefox Thunderbird Oct 5, 2026 Sep 29, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100814 1Mozilla 2Firefox Thunderbird Oct 5, 2026 Sep 29, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100813 1Mozilla 2Firefox Thunderbird Oct 5, 2026 Sep 29, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.

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