Firefox
Source repositories
CVEs (3,517)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-74989 | Cri | 0.64 | 9.8 | 0.01 | Aug 18, 2026 | Internally found bugs present in Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154 and… | ||
| CVE-2026-74988 | Cri | 0.64 | 9.8 | 0.01 | Aug 18, 2026 | Internally found bugs present in Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in… | ||
| CVE-2026-74985 | Cri | 0.64 | 9.8 | 0.01 | Aug 18, 2026 | Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1. | ||
| CVE-2026-74979 | Cri | 0.64 | 9.8 | 0.01 | Aug 18, 2026 | Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1. | ||
| CVE-2026-74964 | Cri | 0.64 | 9.8 | 0.01 | Aug 18, 2026 | Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. | ||
| CVE-2026-74944 | Cri | 0.64 | 9.8 | 0.01 | Aug 18, 2026 | Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. | ||
| CVE-2026-74943 | Cri | 0.64 | 9.8 | 0.01 | Aug 18, 2026 | Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. | ||
| CVE-2026-74940 | Cri | 0.64 | 9.8 | 0.01 | Aug 18, 2026 | Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. | ||
| CVE-2026-74936 | Cri | 0.64 | 9.8 | 0.01 | Aug 18, 2026 | Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. | ||
| CVE-2026-16412 | Cri | 0.64 | 9.8 | 0.01 | Jul 21, 2026 | Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. 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 153, Firefox… | ||
| CVE-2026-16411 | Cri | 0.64 | 9.8 | 0.00 | Jul 21, 2026 | Memory safety bugs present in Firefox 152. 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 153 and Thunderbird 153. | ||
| CVE-2026-16410 | Cri | 0.64 | 9.8 | 0.00 | Jul 21, 2026 | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16408 | Cri | 0.64 | 9.8 | 0.00 | Jul 21, 2026 | Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16407 | Cri | 0.64 | 9.8 | 0.00 | Jul 21, 2026 | Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16402 | Cri | 0.64 | 9.8 | 0.00 | Jul 21, 2026 | Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16395 | Cri | 0.64 | 9.8 | 0.00 | Jul 21, 2026 | Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16389 | Cri | 0.64 | 9.8 | 0.01 | Jul 21, 2026 | Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16388 | Cri | 0.64 | 9.8 | 0.00 | Jul 21, 2026 | Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16387 | Cri | 0.64 | 9.8 | 0.00 | Jul 21, 2026 | Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||
| CVE-2026-16383 | Cri | 0.64 | 9.8 | 0.00 | Jul 21, 2026 | Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. |
- risk 0.64cvss 9.8epss 0.01
Internally found bugs present in Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154 and…
- risk 0.64cvss 9.8epss 0.01
Internally found bugs present in Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in…
- risk 0.64cvss 9.8epss 0.01
Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
- risk 0.64cvss 9.8epss 0.01
Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
- risk 0.64cvss 9.8epss 0.01
Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
- risk 0.64cvss 9.8epss 0.01
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
- risk 0.64cvss 9.8epss 0.01
Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
- risk 0.64cvss 9.8epss 0.01
Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
- risk 0.64cvss 9.8epss 0.01
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
- risk 0.64cvss 9.8epss 0.01
Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. 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 153, Firefox…
- risk 0.64cvss 9.8epss 0.00
Memory safety bugs present in Firefox 152. 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 153 and Thunderbird 153.
- risk 0.64cvss 9.8epss 0.00
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.64cvss 9.8epss 0.00
Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.64cvss 9.8epss 0.00
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.64cvss 9.8epss 0.00
Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.64cvss 9.8epss 0.00
Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.64cvss 9.8epss 0.01
Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.64cvss 9.8epss 0.00
Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.64cvss 9.8epss 0.00
Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
- risk 0.64cvss 9.8epss 0.00
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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