Total CVEs

126,140

Critical Severity

2,292

High Severity

7,933

Last 7 Days

1,201
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Showing 1 - 20 of 568 CVEs
CVE-2026-7324 HIGH - 7.3

Memory safety bugs present in Thunderbird 150.0.0. 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 150.0.1 and Thunderbird 150.0.1.

Vendor: mozilla
Product: firefox
Published: Apr 28, 2026
Source: NVD
CVE-2026-7323 HIGH - 7.3

Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. 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 150.0.1, Firefox ESR 1...

Vendor: mozilla
Product: firefox
Published: Apr 28, 2026
Source: NVD
CVE-2026-7322 HIGH - 7.3

Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0, Thunderbird ESR 140.10.0, Firefox 150.0.0 and Thunderbird 150.0.0. 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. T...

Vendor: mozilla
Product: firefox
Published: Apr 28, 2026
Source: NVD
CVE-2026-7321 CRITICAL - 9.6

Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.

Vendor: mozilla
Product: firefox
Published: Apr 28, 2026
Source: NVD
CVE-2026-7320 HIGH - 7.5

Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.

Vendor: mozilla
Product: firefox
Published: Apr 28, 2026
Source: NVD
CVE-2026-6786 HIGH - 8.1

Memory safety bugs present in 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 vulnerability was fixed in Firef...

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