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Vendor: Mozilla • 3,181 CVEs

CVEs (3,181)

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1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
Memory safety bugs present in Firefox 144 and Thunderbird 144. 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....Show more
Memory safety bugs present in Firefox 144 and Thunderbird 144. 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 145 and Thunderbird 145.Show less
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
Same-origin policy bypass in the DOM: Workers component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
Same-origin policy bypass in the DOM: Notifications component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
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.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
3.4 LOW· v3
N/A· v2
Spoofing issue in Firefox. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, and Firefox ESR 115.30.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
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.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
6.1 MEDIUM· v3
N/A· v2
Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.
1Mozilla
1Firefox
Jun 17, 2026
Nov 11, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Race condition in the Graphics component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.
1Mozilla
1Firefox
Jun 17, 2026
Oct 28, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
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 s...Show more
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.Show less
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Oct 14, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
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...Show more
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.Show less
1Mozilla
1Firefox
Jun 17, 2026
Oct 14, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
The Firefox and Firefox Focus UI for the Android custom tab feature only showed the "site" that was loaded, not the full hostname. User supplied content hosted on a subdomain of a site could have been used to fool a user...Show more
The Firefox and Firefox Focus UI for the Android custom tab feature only showed the "site" that was loaded, not the full hostname. User supplied content hosted on a subdomain of a site could have been used to fool a user into thinking it was content from a different subdomain of that site. This vulnerability was fixed in Firefox 144.Show less
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Oct 14, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
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...Show more
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.Show less