Total
3029 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
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| CVE-2026-2780 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-26 | N/A | 9.8 CRITICAL |
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Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
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| CVE-2026-2806 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 9.1 CRITICAL |
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Uninitialized memory in the Graphics: Text component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
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| CVE-2026-2805 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 9.8 CRITICAL |
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Invalid pointer in the DOM: Core & HTML component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
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| CVE-2026-2807 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 9.8 CRITICAL |
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Memory safety bugs present in Firefox 147 and Thunderbird 147. 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 affects Firefox < 148 and Thunderbird < 148.
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| CVE-2026-2793 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 9.8 CRITICAL |
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Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. 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 affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
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| CVE-2026-2792 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 9.8 CRITICAL |
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Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. 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 affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
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| CVE-2026-2777 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 9.8 CRITICAL |
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Privilege escalation in the Messaging System component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
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| CVE-2026-2782 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 9.8 CRITICAL |
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Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
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| CVE-2026-2771 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 9.8 CRITICAL |
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Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
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| CVE-2026-2798 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 8.8 HIGH |
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Use-after-free in the DOM: Core & HTML component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
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| CVE-2026-2802 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 4.2 MEDIUM |
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Race condition in the JavaScript: GC component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
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| CVE-2026-2804 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 5.4 MEDIUM |
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Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
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| CVE-2026-2769 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-25 | N/A | 8.8 HIGH |
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Use-after-free in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
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| CVE-2026-2447 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-02-22 | N/A | 8.8 HIGH |
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Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1, Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2.
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| CVE-2026-2032 | 1 Mozilla | 1 Firefox | 2026-02-18 | N/A | 4.3 MEDIUM |
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Malicious scripts that interrupt new tab page loading could cause desynchronization between the address bar and page content, allowing the attacker to spoof arbitrary HTML under a trusted domain. This vulnerability affects Firefox for iOS < 147.2.1.
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| CVE-2026-24868 | 1 Mozilla | 1 Firefox | 2026-02-06 | N/A | 6.5 MEDIUM |
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Mitigation bypass in the Privacy: Anti-Tracking component. This vulnerability affects Firefox < 147.0.2.
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| CVE-2026-0892 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 9.8 CRITICAL |
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Memory safety bugs present in Firefox 146 and Thunderbird 146. 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 affects Firefox < 147 and Thunderbird < 147.
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| CVE-2026-0891 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 8.1 HIGH |
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Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. 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 affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0890 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 5.4 MEDIUM |
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Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0889 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 7.5 HIGH |
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Denial-of-service in the DOM: Service Workers component. This vulnerability affects Firefox < 147 and Thunderbird < 147.
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| CVE-2026-0888 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 5.3 MEDIUM |
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Information disclosure in the XML component. This vulnerability affects Firefox < 147 and Thunderbird < 147.
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| CVE-2026-0887 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 4.3 MEDIUM |
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Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0886 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 5.3 MEDIUM |
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Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0883 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 5.3 MEDIUM |
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Information disclosure in the Networking component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0884 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 9.8 CRITICAL |
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Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0885 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 6.5 MEDIUM |
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Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0878 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 8.0 HIGH |
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Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0877 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 8.1 HIGH |
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Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0881 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 10.0 CRITICAL |
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Sandbox escape in the Messaging System component. This vulnerability affects Firefox < 147 and Thunderbird < 147.
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| CVE-2026-0882 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 8.8 HIGH |
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Use-after-free in the IPC component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0880 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 8.8 HIGH |
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Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2026-0879 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-22 | N/A | 9.8 CRITICAL |
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Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
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| CVE-2025-14327 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-15 | N/A | 7.5 HIGH |
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Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146, Thunderbird < 146, Firefox ESR < 140.7, and Thunderbird < 140.7.
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| CVE-2025-14333 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-13 | N/A | 8.1 HIGH |
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Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. 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 affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
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| CVE-2025-14325 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-01-07 | N/A | 7.3 HIGH |
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JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
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| CVE-2025-14744 | 1 Mozilla | 1 Firefox | 2026-01-06 | N/A | 6.5 MEDIUM |
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Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files of an unexpected file type. This vulnerability affects Firefox for iOS < 144.0.
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| CVE-2025-14860 | 1 Mozilla | 1 Firefox | 2025-12-30 | N/A | 9.8 CRITICAL |
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Use-after-free in the Disability Access APIs component. This vulnerability affects Firefox < 146.0.1.
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| CVE-2025-14861 | 1 Mozilla | 1 Firefox | 2025-12-30 | N/A | 8.8 HIGH |
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Memory safety bugs present in Firefox 146. 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 affects Firefox < 146.0.1.
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| CVE-2025-12380 | 1 Mozilla | 1 Firefox | 2025-12-19 | N/A | 9.8 CRITICAL |
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Starting with Firefox 142, it was possible for a compromised child process to trigger a use-after-free in the GPU or browser process using WebGPU-related IPC calls. This may have been usable to escape the child process sandbox. This vulnerability affects Firefox < 144.0.2.
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| CVE-2023-4582 | 2 Apple, Mozilla | 4 Macos, Firefox, Firefox Esr and 1 more | 2025-12-18 | N/A | 8.8 HIGH |
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Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occurred when allocating too much private shader memory on mac OS.
*This bug only affects Firefox on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
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