Total CVEs

137,241

Critical Severity

3,307

High Severity

12,254

Last 7 Days

1,434
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Showing 21 - 40 of 666 CVEs
CVE-2026-12312 HIGH - 7.5

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12311 MEDIUM - 4.7

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12310 HIGH - 7.5

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12309 MEDIUM - 6.5

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12308 MEDIUM - 5.3

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12307 MEDIUM - 5.3

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12306 MEDIUM - 5.3

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12305 HIGH - 7.5

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12304 CRITICAL - 9.1

Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12303 MEDIUM - 4.3

Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12302 MEDIUM - 6.5

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12301 MEDIUM - 5.3

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12300 MEDIUM - 5.3

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12299 MEDIUM - 5.4

JIT miscompilation in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD
CVE-2026-12298 MEDIUM - 5.4

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD

Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD

Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD

Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD

Sandbox escape in the DOM: Workers component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD

Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Vendor: Mozilla
Product: Firefox
Published: Jun 16, 2026
Source: NVD