Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Total 3663 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2026-8946 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 7.5 HIGH
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.
CVE-2026-12329 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 5.3 MEDIUM
Memory safety bug fixed in Thunderbird ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12 and Thunderbird 140.12.
CVE-2026-12328 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 8.1 HIGH
Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12299 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 5.4 MEDIUM
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.
CVE-2026-12298 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 5.4 MEDIUM
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12297 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.6 CRITICAL
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.
CVE-2026-12296 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.6 CRITICAL
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.
CVE-2026-12295 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.6 CRITICAL
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.
CVE-2026-12294 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.6 CRITICAL
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.
CVE-2026-12292 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 8.1 HIGH
Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12291 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 8.8 HIGH
Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12290 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 8.1 HIGH
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12289 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 8.8 HIGH
Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-4729 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox 148 and Thunderbird 148. 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 149 and Thunderbird 149.
CVE-2026-4721 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4720 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4700 1 Mozilla 1 Firefox 2026-07-15 N/A 9.8 CRITICAL
Mitigation bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4699 1 Mozilla 1 Firefox 2026-07-15 N/A 7.5 HIGH
Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4698 1 Mozilla 1 Firefox 2026-07-15 N/A 9.8 CRITICAL
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4697 1 Mozilla 1 Firefox 2026-07-15 N/A 7.5 HIGH
Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.