Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Total 3978 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2026-84118 1 Mozilla 2 Firefox, Thunderbird 2026-09-02 N/A 5.4 MEDIUM
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-84119 1 Mozilla 2 Firefox, Thunderbird 2026-09-02 N/A 9.6 CRITICAL
Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
CVE-2026-84120 1 Mozilla 2 Firefox, Thunderbird 2026-09-02 N/A 5.4 MEDIUM
Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
CVE-2026-84121 1 Mozilla 2 Firefox, Thunderbird 2026-09-02 N/A 9.6 CRITICAL
Sandbox escape due to use-after-free in the DOM: Security component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
CVE-2026-84122 1 Mozilla 2 Firefox, Thunderbird 2026-09-02 N/A 5.4 MEDIUM
Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
CVE-2026-84123 1 Mozilla 2 Firefox, Thunderbird 2026-09-02 N/A 8.8 HIGH
Privilege escalation due to use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-84124 1 Mozilla 2 Firefox, Thunderbird 2026-09-02 N/A 5.4 MEDIUM
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
CVE-2026-84125 1 Mozilla 2 Firefox, Thunderbird 2026-09-02 N/A 5.4 MEDIUM
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-75874 1 Mozilla 2 Firefox, Thunderbird 2026-09-01 N/A 10.0 CRITICAL
Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 140.15, and Thunderbird 153.2.
CVE-2026-74952 1 Mozilla 2 Firefox, Thunderbird 2026-09-01 N/A 8.8 HIGH
Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 153.2, and Thunderbird 153.2.
CVE-2026-74986 1 Mozilla 2 Firefox, Thunderbird 2026-08-25 N/A 9.1 CRITICAL
Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74981 1 Mozilla 2 Firefox, Thunderbird 2026-08-25 N/A 8.1 HIGH
Site isolation issue in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74984 1 Mozilla 2 Firefox, Thunderbird 2026-08-25 N/A 6.8 MEDIUM
Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74982 1 Mozilla 2 Firefox, Thunderbird 2026-08-25 N/A 7.5 HIGH
Denial-of-service in the Widget component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74966 1 Mozilla 2 Firefox, Thunderbird 2026-08-25 N/A 7.5 HIGH
Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74978 1 Mozilla 2 Firefox, Thunderbird 2026-08-25 N/A 8.1 HIGH
Clickjacking issue in the Widget component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74985 1 Mozilla 2 Firefox, Thunderbird 2026-08-25 N/A 9.8 CRITICAL
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-2026-74970 1 Mozilla 2 Firefox, Thunderbird 2026-08-25 N/A 5.4 MEDIUM
Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74977 1 Mozilla 2 Firefox, Thunderbird 2026-08-25 N/A 7.5 HIGH
Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74934 1 Mozilla 2 Firefox, Thunderbird 2026-08-24 N/A 7.5 HIGH
Site isolation issue in the Graphics: CanvasWebGL 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.