FI
Browser
Firefox
On CISA KEVExploited in the wildRansomware-linked
3,445
CVEs
15
On KEV
10.0
Max CVSS
77
New 30D
Severity mix
Critical 489High 10Medium 1Low 0
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Add Firefox to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2019-11708 In wildKEV | 10.0 | Jul 23 | Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability Affected: before 67.0.4 |
| CVE-2024-9680 RansomwareIn wildKEV | 9.8 | Oct 9 | Mozilla Firefox Use-After-Free Vulnerability Affected: before 131.0.2 |
| CVE-2010-3765 In wildKEV | 9.8 | Oct 27 | Mozilla Multiple Products Remote Code Execution Vulnerability Affected: 3.5; 3.5.1; 3.5.2; 3.5.3; 3.5.4; 3.5.5; +19 more |
| CVE-2022-26486 In wildKEV | 9.6 | Dec 22 | Mozilla Firefox Use-After-Free Vulnerability Affected: before 97.0.2 |
| CVE-2023-5217 In wildKEV | 8.8 | Sep 28 | Google Chromium libvpx Heap Buffer Overflow Vulnerability Affected: before 115.3.1; before 118.0.1; before 118.1 |
| CVE-2023-4863 In wildKEV | 8.8 | Sep 12 | Google Chromium WebP Heap-Based Buffer Overflow Vulnerability Affected: before 102.15.1; before 117.0.1; 115.1.0 before 115.2.1 |
| CVE-2022-26485 In wildKEV | 8.8 | Dec 22 | Mozilla Firefox Use-After-Free Vulnerability Affected: before 97.0.2 |
| CVE-2019-17026 In wildKEV | 8.8 | Mar 2 | Mozilla Firefox And Thunderbird Type Confusion Vulnerability Affected: before 72.0.1 |
| CVE-2019-11707 In wildKEV | 8.8 | Jul 23 | Mozilla Firefox and Thunderbird Type Confusion Vulnerability Affected: before 67.0.3 |
| CVE-2015-4495 In wildKEV | 8.8 | Aug 8 | Mozilla Firefox Security Feature Bypass Vulnerability Affected: before 39.0.3; 38.0 before 38.1.1 |
| CVE-2013-1690 In wildKEV | 8.8 | Jun 26 | Mozilla Firefox and Thunderbird Denial-of-Service Vulnerability Affected: before 22.0; 17.0 before 17.0.7 |
| CVE-2020-6819 In wildKEV | 8.1 | Apr 24 | Mozilla Firefox And Thunderbird Use-After-Free Vulnerability Affected: before 74.0.1 |
| CVE-2020-6820 In wildKEV | 8.1 | Apr 24 | Mozilla Firefox And Thunderbird Use-After-Free Vulnerability Affected: before 74.0.1 |
| CVE-2016-9079 In wildKEV | 7.5 | Jun 11 | Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability Affected: before 50.0.2 |
| CVE-2013-1675 In wildKEV | 6.5 | May 16 | Mozilla Firefox Information Disclosure Vulnerability Affected: before 21.0; 17.0 before 17.0.6 |
| CVE-2026-75874 | 10.0 | Aug 18 | Sandbox escape in the Remote Settings Client component Affected: before 154.0.0 |
| CVE-2026-16367 | 10.0 | Jul 21 | Sandbox escape due to invalid pointer in the Disability Access APIs component Affected: before 153.0.0 |
| CVE-2026-4725 | 10.0 | Mar 24 | Sandbox escape due to use-after-free in the Graphics: Canvas2D component Affected: before 149.0 |
| CVE-2026-4692 | 10.0 | Mar 24 | Sandbox escape in the Responsive Design Mode component Affected: before 115.34.0; before 149.0; 128.0 before 140.9.0 |
| CVE-2026-4689 | 10.0 | Mar 24 | Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component Affected: before 115.34.0; before 149.0; 128.0 before 140.9.0 |
| CVE-2026-4688 | 10.0 | Mar 24 | Sandbox escape due to use-after-free in the Disability Access APIs component Affected: before 140.9.0; before 149.0 |
| CVE-2026-2778 | 10.0 | Feb 24 | Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component Affected: before 115.33.0; before 148.0; 128.0 before 140.8.0 |
| CVE-2026-2776 | 10.0 | Feb 24 | Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software Affected: before 115.33.0; before 148.0; 128.0 before 140.8.0 |
| CVE-2026-2768 | 10.0 | Feb 24 | Sandbox escape in the Storage: IndexedDB component Affected: before 140.8.0; before 148.0 |
| CVE-2026-2761 | 10.0 | Feb 24 | Sandbox escape in the Graphics: WebRender component Affected: before 115.33.0; before 148.0; 128.0 before 140.8.0 |
| CVE-2026-2760 | 10.0 | Feb 24 | Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component Affected: before 115.33.0; before 148.0; 128.0 before 140.8.0 |
| CVE-2026-0881 | 10.0 | Jan 13 | Sandbox escape in the Messaging System component Affected: before 147.0 |
| CVE-2025-2857 | 10.0 | Mar 27 | Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code Affected: before 136.0.4; before 115.21.1; 128.1.0 before 128.8.1 |
| CVE-2019-25136 | 10.0 | Jun 19 | A compromised child process could have injected XBL Bindings into privileged CSS rules, resulting in arbitrary code execution and a sandbox escape Affected: before 70.0 |
| CVE-2021-4140 | 10.0 | Dec 22 | It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox Affected: before 96.0 |
| CVE-2021-38503 | 10.0 | Dec 8 | The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame Affected: before 94.0 |
| CVE-2020-12389 | 10.0 | May 26 | The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape Affected: before 76.0 |
| CVE-2020-12388 | 10.0 | May 26 | The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape Affected: before 76.0 |
| CVE-2018-18505 | 10.0 | Feb 5 | An earlier fix for an Inter-process Communication (IPC) vulnerability, CVE-2011-3079, added authentication to communication between IPC endpoints and server parents during IPC… Affected: before 65 |
| CVE-2016-1931 | 10.0 | Jan 31 | Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 allow remote attackers to cause a denial of service (memory corruption and application… Affected: through 43.0.4 |
| CVE-2026-106016 | 9.8 | Oct 6 | Mitigation bypass in the File Handling component Affected: before 157.0.1 |
| CVE-2026-100810 | 9.8 | Sep 29 | Other issue in the DevTools component Affected: before 157.0.0 |
| CVE-2026-100788 | 9.8 | Sep 29 | Invalid pointer in the JavaScript: WebAssembly component Affected: before 140.17.0; 141.0 before 153.4.0; 154.0.0 before 157.0.0 |
| CVE-2026-92066 | 9.8 | Sep 15 | Sandbox escape in the Profile Backup component Affected: before 156.0.0 |
| CVE-2026-92061 | 9.8 | Sep 15 | Incorrect boundary conditions in the Security: Process Sandboxing component Affected: before 156.0.0 |
| CVE-2026-92037 | 9.8 | Sep 15 | Incorrect boundary conditions in the DOM: Animation component Affected: before 156.0.0 |
| CVE-2026-92036 | 9.8 | Sep 15 | Incorrect boundary conditions in the Networking: HTTP component Affected: before 156.0.0 |
| CVE-2026-84143 | 9.8 | Sep 1 | Internally found bugs fixed in Thunderbird 155, Thunderbird ESR 153.2 and Thunderbird ESR 140.15 Affected: before 140.15.0; 141.0.0 before 153.2.0; 154.0.0 before 155.0.0 |
| CVE-2026-84142 | 9.8 | Sep 1 | Internally found bugs fixed in Thunderbird 155 Affected: before 155.0.0 |
| CVE-2026-84141 | 9.8 | Sep 1 | Integer overflow in the Graphics: ImageLib component Affected: before 153.2.0; 154.0.0 before 155.0.0 |
| CVE-2026-84140 | 9.8 | Sep 1 | Site isolation issue in the DOM: Navigation component Affected: before 153.2.0; 154.0.0 before 155.0.0 |
| CVE-2026-84134 | 9.8 | Sep 1 | Other issue in the Profile Backup component Affected: before 153.2.0; 154.0.0 before 155.0.0 |
| CVE-2026-84133 | 9.8 | Sep 1 | Site isolation issue in the DOM: Push Subscriptions component Affected: before 153.2.0; 154.0.0 before 155.0.0 |
| CVE-2026-84129 | 9.8 | Sep 1 | Site isolation issue in the DOM: Navigation component Affected: before 153.2.0; 154.0.0 before 155.0.0 |
| CVE-2026-74989 | 9.8 | Aug 18 | Internally found bugs fixed in Thunderbird 154 Affected: before 154.0.0 |
The 500 most important CVEs for this product (exploited first, then by severity)
