Filtered by vendor Mozilla
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Total
3557 CVE
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2025-11711 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-20 | 6.5 Medium |
| There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | ||||
| CVE-2025-11714 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-20 | 8.8 High |
| Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | ||||
| CVE-2025-11708 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-20 | 9.8 Critical |
| Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | ||||
| CVE-2025-11713 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2026-04-20 | 8.1 High |
| Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect the application when running on other operating systems. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | ||||
| CVE-2025-11715 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-20 | 8.8 High |
| Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | ||||
| CVE-2025-11716 | 2 Google, Mozilla | 3 Android, Firefox, Thunderbird | 2026-04-20 | 6.5 Medium |
| Links in a sandboxed iframe could open an external app on Android without the required "allow-" permission. This vulnerability was fixed in Firefox 144 and Thunderbird 144. | ||||
| CVE-2025-11719 | 2 Microsoft, Mozilla | 3 Windows, Firefox, Thunderbird | 2026-04-20 | 9.8 Critical |
| Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144. | ||||
| CVE-2025-11721 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-04-20 | 9.8 Critical |
| Memory safety bug present in Firefox 143 and Thunderbird 143. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144 and Thunderbird 144. | ||||
| CVE-2025-12380 | 1 Mozilla | 1 Firefox | 2026-04-20 | 9.8 Critical |
| 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 was fixed in Firefox 144.0.2. | ||||
| CVE-2025-13014 | 1 Mozilla | 2 Firefox, Firefox Esr | 2026-04-20 | 8.8 High |
| Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5. | ||||
| CVE-2025-13023 | 1 Mozilla | 1 Firefox | 2026-04-20 | 9.8 Critical |
| Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145. | ||||
| CVE-2025-13016 | 1 Mozilla | 2 Firefox, Firefox Esr | 2026-04-20 | 7.5 High |
| Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5. | ||||
| CVE-2025-13025 | 1 Mozilla | 1 Firefox | 2026-04-20 | 7.5 High |
| Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145. | ||||
| CVE-2025-13026 | 1 Mozilla | 1 Firefox | 2026-04-20 | 9.8 Critical |
| Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145. | ||||
| CVE-2025-13018 | 1 Mozilla | 2 Firefox, Firefox Esr | 2026-04-20 | 8.1 High |
| Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5. | ||||
| CVE-2025-14744 | 2 Apple, Mozilla | 3 Ios, Firefox, Firefox For Ios | 2026-04-20 | 6.5 Medium |
| 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 was fixed in Firefox for iOS 144.0. | ||||
| CVE-2025-14860 | 1 Mozilla | 1 Firefox | 2026-04-20 | 9.8 Critical |
| Use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 146.0.1. | ||||
| CVE-2025-0244 | 1 Mozilla | 1 Firefox | 2026-04-20 | 5.3 Medium |
| When redirecting to an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 134. | ||||
| CVE-2025-0245 | 1 Mozilla | 1 Firefox | 2026-04-20 | 3.3 Low |
| Under certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed. This vulnerability was fixed in Firefox 134. | ||||
| CVE-2025-0246 | 2 Google, Mozilla | 2 Android, Firefox | 2026-04-20 | 6.5 Medium |
| When using an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.* *Note: This issue is a different issue from CVE-2025-0244. This vulnerability was fixed in Firefox 134. | ||||