Filtered by vendor Mozilla
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Total
3978 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2025-0247 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 9.8 CRITICAL |
| 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-2025-1013 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 6.5 MEDIUM |
| A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135. | |||||
| CVE-2025-1009 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 9.8 CRITICAL |
| An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135. | |||||
| CVE-2025-1932 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.1 HIGH |
| An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version 122 and later. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |||||
| CVE-2025-4091 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.1 HIGH |
| Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. 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 138, Firefox ESR 128.10, Thunderbird 138, and Thunderbird 128.10. | |||||
| CVE-2025-5268 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.1 HIGH |
| Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. 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 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11. | |||||
| CVE-2025-1933 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 7.6 HIGH |
| On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |||||
| CVE-2025-5269 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.1 HIGH |
| Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. 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 ESR 128.11 and Thunderbird 128.11. | |||||
| CVE-2025-5267 | 1 Mozilla | 1 Firefox | 2026-10-05 | N/A | 5.4 MEDIUM |
| A clickjacking vulnerability could have been used to trick a user into leaking saved payment card details to a malicious page. This vulnerability was fixed in Firefox 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11. | |||||
| CVE-2025-4084 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 5.7 MEDIUM |
| Due to insufficient escaping of the special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox ESR 128.10, Firefox ESR 115.23, and Thunderbird 128.10. | |||||
| CVE-2025-1939 | 1 Mozilla | 1 Firefox | 2026-10-05 | N/A | 3.9 LOW |
| Android apps can load web pages using the Custom Tabs feature. This feature supports a transition animation that could have been used to trick a user into granting sensitive permissions by hiding what the user was actually clicking. This vulnerability was fixed in Firefox 136. | |||||
| CVE-2025-2817 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.8 HIGH |
| Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level updater by manipulating the file-locking behavior. By injecting code into the user-privileged process, an attacker could bypass intended access controls, allowing SYSTEM-level file operations on paths controlled by a non-privileged user and enabling privilege escalation. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10. | |||||
| CVE-2025-0238 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 5.3 MEDIUM |
| Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6. | |||||
| CVE-2025-1010 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.8 HIGH |
| An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135. | |||||
| CVE-2025-5265 | 1 Mozilla | 1 Firefox | 2026-10-05 | N/A | 4.8 MEDIUM |
| Due to insufficient escaping of the ampersand character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11. | |||||
| CVE-2025-54143 | 1 Mozilla | 1 Firefox | 2026-10-05 | N/A | 9.8 CRITICAL |
| Sandboxed iframes on webpages could potentially allow downloads to the device, bypassing the expected sandbox restrictions declared on the parent page. This vulnerability was fixed in Firefox for iOS 141. | |||||
| CVE-2025-3028 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 6.5 MEDIUM |
| JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. | |||||
| CVE-2025-8028 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 9.8 CRITICAL |
| On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1. | |||||
| CVE-2026-100781 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 9.6 CRITICAL |
| Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender 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. | |||||
| CVE-2026-100808 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.8 HIGH |
| Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | |||||