Total
2070 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2025-1011 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.8 HIGH |
| A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135. | |||||
| CVE-2025-1930 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.8 HIGH |
| On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |||||
| CVE-2025-1019 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 4.3 MEDIUM |
| The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135. | |||||
| CVE-2025-0239 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 4.0 MEDIUM |
| When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6. | |||||
| CVE-2025-8033 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 6.5 MEDIUM |
| The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. 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-2025-1016 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 9.8 CRITICAL |
| Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6. 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 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135. | |||||
| CVE-2025-8040 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.8 HIGH |
| Memory safety bugs present in Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1. | |||||
| CVE-2025-1936 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 7.3 HIGH |
| jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |||||
| CVE-2025-8039 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.1 HIGH |
| In some cases search terms persisted in the URL bar even after navigating away from the search page. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1. | |||||
| CVE-2025-1020 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 9.8 CRITICAL |
| Memory safety bugs present in Firefox 134 and Thunderbird 134. 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 135 and Thunderbird 135. | |||||
| CVE-2025-1934 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 6.5 MEDIUM |
| It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |||||
| CVE-2025-8032 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.1 HIGH |
| XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1. | |||||
| CVE-2025-3029 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 7.3 HIGH |
| A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. | |||||
| CVE-2025-1014 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.8 HIGH |
| Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135. | |||||
| CVE-2025-9184 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.1 HIGH |
| Memory safety bugs present in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2. | |||||
| CVE-2025-9181 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 6.5 MEDIUM |
| Uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 142, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2. | |||||
| CVE-2025-4083 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 9.1 CRITICAL |
| A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10. | |||||
| CVE-2025-0241 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 7.7 HIGH |
| When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6. | |||||
| CVE-2025-9180 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.1 HIGH |
| Same-origin policy bypass in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2. | |||||
| CVE-2025-8034 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-10-05 | N/A | 8.8 HIGH |
| Memory safety bugs present in Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1. | |||||