Filtered by vendor Mozilla
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Filtered by product Firefox Esr
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Total
639 CVE
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2024-9397 | 2 Mozilla, Redhat | 9 Firefox, Firefox Esr, Thunderbird and 6 more | 2026-03-02 | 6.1 Medium |
| A missing delay in directory upload UI could have made it possible for an attacker to trick a user into granting permission via clickjacking. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131. | ||||
| CVE-2026-2784 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-28 | 9.8 Critical |
| Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2779 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-28 | 9.8 Critical |
| Incorrect boundary conditions in the Networking: JAR component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2778 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-28 | 10 Critical |
| Sandbox escape due to incorrect boundary conditions 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. | ||||
| CVE-2026-2776 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-28 | 10 Critical |
| Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2762 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-28 | 9.8 Critical |
| Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2768 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 10 Critical |
| Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2790 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 8.8 High |
| Same-origin policy bypass in the Networking: JAR component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2783 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 6.5 Medium |
| Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2781 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 8.8 High |
| Integer overflow in the Libraries component in NSS. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2767 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 8.8 High |
| Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2025-8030 | 2 Mozilla, Redhat | 4 Firefox, Firefox Esr, Thunderbird and 1 more | 2026-02-26 | 8.1 High |
| Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1. | ||||
| CVE-2025-8034 | 2 Mozilla, Redhat | 4 Firefox, Firefox Esr, Thunderbird and 1 more | 2026-02-26 | 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 affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1. | ||||
| CVE-2025-8040 | 1 Mozilla | 4 Firefox, Firefox Esr, Thunderbird and 1 more | 2026-02-26 | 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 affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1. | ||||
| CVE-2025-8035 | 2 Mozilla, Redhat | 4 Firefox, Firefox Esr, Thunderbird and 1 more | 2026-02-26 | 8.8 High |
| Memory safety bugs present in 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 affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1. | ||||
| CVE-2025-10537 | 2 Mozilla, Redhat | 4 Firefox, Firefox Esr, Thunderbird and 1 more | 2026-02-26 | 8.8 High |
| Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. 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 < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. | ||||
| CVE-2025-9185 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 8.1 High |
| Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, 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 affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2. | ||||
| CVE-2025-9184 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 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 affects Firefox < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2. | ||||
| CVE-2025-11714 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 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 affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. | ||||
| CVE-2025-11713 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2026-02-26 | 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 affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. | ||||