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Vendor: Mozilla • 3,181 CVEs

CVEs (3,181)

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1Mozilla
2Firefox
Thunderbird
Jul 23, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Information disclosure in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
1Mozilla
2Firefox
Thunderbird
Jul 23, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
1Mozilla
2Firefox
Thunderbird
Jul 23, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Information disclosure in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
1Mozilla
2Firefox
Thunderbird
Jul 23, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
1Mozilla
2Firefox
Thunderbird
Jul 23, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
1Mozilla
2Firefox
Thunderbird
Jul 23, 2026
May 19, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jul 23, 2026
May 19, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
9.6 CRITICAL· v3
N/A· v2
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
8.6 HIGH· v3
N/A· v2
Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
9.6 CRITICAL· v3
N/A· v2
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
1Mozilla
1Firefox
Jun 17, 2026
May 19, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
9.3 CRITICAL· v3
N/A· v2
Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
May 19, 2026
N/A· v4
9.1 CRITICAL· v3
N/A· v2
Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.