Mozilla: >> Firefox >> 140.3.1 Security Vulnerabilities
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
CVSS Score
9.8
EPSS Score
0.005
Published
2025-12-09
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.
CVSS Score
8.1
EPSS Score
0.003
Published
2025-11-11
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.
CVSS Score
8.8
EPSS Score
0.003
Published
2025-11-11
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.
CVSS Score
7.5
EPSS Score
0.002
Published
2025-11-11
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.
CVSS Score
6.1
EPSS Score
0.002
Published
2025-11-11
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.
CVSS Score
8.8
EPSS Score
0.003
Published
2025-11-11
Spoofing issue in Firefox. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, and Firefox ESR 115.30.
CVSS Score
3.4
EPSS Score
0.003
Published
2025-11-11
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.
CVSS Score
7.5
EPSS Score
0.004
Published
2025-11-11
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.
CVSS Score
8.1
EPSS Score
0.003
Published
2025-11-11
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
CVSS Score
8.1
EPSS Score
0.003
Published
2025-11-11