Total CVEs

126,116

Critical Severity

2,290

High Severity

7,924

Last 7 Days

1,177
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Showing 21 - 40 of 568 CVEs
CVE-2026-6771 CRITICAL - 9.8

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6770 MEDIUM - 6.5

Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6769 MEDIUM - 6.5

Privilege escalation in the Debugger component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6768 CRITICAL - 9.8

Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6767 MEDIUM - 5.3

Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6766 HIGH - 7.5

Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6765 MEDIUM - 5.3

Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6764 MEDIUM - 6.5

Incorrect boundary conditions in the DOM: Device Interfaces component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6763 MEDIUM - 6.5

Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6762 MEDIUM - 6.3

Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6761 MEDIUM - 6.5

Privilege escalation in the Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6760 CRITICAL - 9.8

Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6759 HIGH - 7.5

Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6758 HIGH - 7.5

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6757 MEDIUM - 6.3

Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6756 HIGH - 7.5

Mitigation bypass in Firefox for Android. This vulnerability was fixed in Firefox 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6755 MEDIUM - 6.5

Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6754 HIGH - 7.5

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6753 HIGH - 7.3

Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6752 HIGH - 7.3

Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD