Total CVEs

131,459

Critical Severity

2,797

High Severity

9,990

Last 7 Days

1,142
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Showing 1,281 - 1,300 of 27,864 CVEs
CVE-2026-8964 HIGH - 7.5

Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8963 HIGH - 7.5

Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8962 HIGH - 8.1

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8961 MEDIUM - 6.5

Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8960 HIGH - 7.5

Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8959 CRITICAL - 9.6

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8958 HIGH - 8.6

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8957 MEDIUM - 6.5

Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8956 CRITICAL - 9.8

Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8955 MEDIUM - 6.5

Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8954 HIGH - 7.5

Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8953 CRITICAL - 9.6

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8952 MEDIUM - 6.5

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8951 MEDIUM - 6.5

Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8950 CRITICAL - 9.3

Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8949 HIGH - 7.5

Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8948 CRITICAL - 9.1

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8947 HIGH - 7.3

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8946 HIGH - 7.5

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD
CVE-2026-8945 HIGH - 7.5

Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.

Vendor: mozilla
Product: firefox
Published: May 19, 2026
Source: NVD