Search Results (679 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-5731 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 9.8 Critical
Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2, Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
CVE-2026-2784 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 9.8 Critical
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2779 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 9.8 Critical
Incorrect boundary conditions in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2778 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 10 Critical
Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2776 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 10 Critical
Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2775 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 9.8 Critical
Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2773 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 9.8 Critical
Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2771 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 9.8 Critical
Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2766 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 9.8 Critical
Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2765 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 9.8 Critical
Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2764 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-16 9.8 Critical
JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-0877 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 8.1 High
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0885 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 6.5 Medium
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-2772 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 8.8 High
Use-after-free in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2777 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 9.8 Critical
Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-0878 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 8 High
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0879 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 9.8 Critical
Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0880 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 8.8 High
Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0882 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 8.8 High
Use-after-free in the IPC component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0883 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 5.3 Medium
Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.