Total CVEs

142,714

Critical Severity

4,025

High Severity

14,400

Last 7 Days

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Showing 18,881 - 18,900 of 39,119 CVEs
CVE-2026-6785 HIGH - 8.1

Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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 vulnerabilit...

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6784 HIGH - 7.5

Memory safety bugs present in Firefox 149 and Thunderbird 149. 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 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6783 MEDIUM - 5.3

Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6782 HIGH - 7.5

Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6781 HIGH - 7.5

Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6780 HIGH - 7.5

Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6779 MEDIUM - 5.3

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6778 MEDIUM - 5.3

Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6777 MEDIUM - 5.3

Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6776 HIGH - 7.8

Incorrect boundary conditions in the WebRTC: 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-2026-6775 MEDIUM - 5.3

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

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6774 MEDIUM - 5.4

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

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6773 HIGH - 7.5

Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendor: mozilla
Product: firefox
Published: Apr 21, 2026
Source: NVD
CVE-2026-6772 HIGH - 7.5

Incorrect boundary conditions 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-2026-6771 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