| CVE-2010-3765 | Cri | 0.86 | 9.8 | 0.87 | KEV | Oct 28, 2010 | Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before 3.1.6 and 3.0.x before 3.0.10, and SeaMonkey 2.x before 2.0.10, when JavaScript is enabled, allows remote attackers to execute arbitrary code via vectors related to nsCSSFrameConstructor::ContentAppended, the appendChild method, incorrect index tracking, and the creation of multiple frames, which triggers memory corruption, as exploited in the wild in October 2010 by the Belmoo malware. |
| CVE-2013-1690 | Hig | 0.76 | 8.8 | 0.47 | KEV | Jun 26, 2013 | Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted web site that triggers an attempt to execute data at an unmapped memory location. |
| CVE-2010-1205 | Cri | 0.68 | 9.8 | 0.15 | | Jun 30, 2010 | Buffer overflow in pngpread.c in libpng before 1.2.44 and 1.4.x before 1.4.3, as used in progressive applications, might allow remote attackers to execute arbitrary code via a PNG image that triggers an additional data row. |
| CVE-2016-1960 | Hig | 0.67 | 8.8 | 0.86 | | Mar 13, 2016 | Integer underflow in the nsHtml5TreeBuilder class in the HTML5 string parser in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) by leveraging mishandling of end tags, as demonstrated by incorrect SVG processing, aka ZDI-CAN-3545. |
| CVE-2026-4692 | Cri | 0.65 | 10.0 | 0.00 | | Mar 24, 2026 | Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. |
| CVE-2026-4689 | Cri | 0.65 | 10.0 | 0.00 | | Mar 24, 2026 | Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. |
| CVE-2026-2778 | Cri | 0.65 | 10.0 | 0.00 | | Feb 24, 2026 | Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. |
| CVE-2026-2776 | Cri | 0.65 | 10.0 | 0.00 | | Feb 24, 2026 | Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. |
| CVE-2026-2768 | Cri | 0.65 | 10.0 | 0.00 | | Feb 24, 2026 | Sandbox escape in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. |
| CVE-2026-2761 | Cri | 0.65 | 10.0 | 0.00 | | Feb 24, 2026 | Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. |
| CVE-2026-2760 | Cri | 0.65 | 10.0 | 0.00 | | Feb 24, 2026 | Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. |
| CVE-2026-0881 | Cri | 0.65 | 10.0 | 0.00 | | Jan 13, 2026 | Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147. |
| CVE-2025-0247 | Cri | 0.65 | 9.8 | 0.15 | | Jan 7, 2025 | Memory safety bugs present in Firefox 133 and Thunderbird 133. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 134 and Thunderbird 134. |
| CVE-2014-1486 | Cri | 0.65 | 9.8 | 0.11 | | Feb 6, 2014 | Use-after-free vulnerability in the imgRequestProxy function in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to execute arbitrary code via vectors involving unspecified Content-Type values for image data. |
| CVE-2013-6671 | Cri | 0.65 | 9.8 | 0.10 | | Dec 11, 2013 | The nsGfxScrollFrameInner::IsLTR function in Mozilla Firefox before 26.0, Firefox ESR 24.x before 24.2, Thunderbird before 24.2, and SeaMonkey before 2.23 allows remote attackers to execute arbitrary code via crafted use of JavaScript code for ordered list elements. |
| CVE-2013-5618 | Cri | 0.65 | 9.8 | 0.10 | | Dec 11, 2013 | Use-after-free vulnerability in the nsNodeUtils::LastRelease function in the table-editing user interface in the editor component in Mozilla Firefox before 26.0, Firefox ESR 24.x before 24.2, Thunderbird before 24.2, and SeaMonkey before 2.23 allows remote attackers to execute arbitrary code by triggering improper garbage collection. |
| CVE-2013-5613 | Cri | 0.65 | 9.8 | 0.11 | | Dec 11, 2013 | Use-after-free vulnerability in the PresShell::DispatchSynthMouseMove function in Mozilla Firefox before 26.0, Firefox ESR 24.x before 24.2, Thunderbird before 24.2, and SeaMonkey before 2.23 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving synthetic mouse movement, related to the RestyleManager::GetHoverGeneration function. |
| CVE-2026-8094 | Cri | 0.64 | 9.8 | 0.00 | | May 7, 2026 | Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2. |
| CVE-2026-8091 | Cri | 0.64 | 9.8 | 0.00 | | May 7, 2026 | Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2. |
| CVE-2026-6771 | Cri | 0.64 | 9.8 | 0.00 | | Apr 21, 2026 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. |