Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Firefox
Total 3337 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2026-14241 1 Mozilla 1 Firefox 2026-07-06 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox 152.0.3. 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 152.0.4.
CVE-2026-45173 4 Google, Microsoft, Mozilla and 1 more 4 Chrome, Edge Chromium, Firefox and 1 more 2026-06-22 N/A 6.5 MEDIUM
Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted webpage, this interaction could potentially allow a remote attacker to trigger unauthorized application interaction or execution parameters within the context of that authenticated browser session. CyberArk Security Bulletin: CA26-21
CVE-2026-12317 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 7.5 HIGH
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12314 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 7.5 HIGH
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-2026-12312 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 7.5 HIGH
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-2026-12310 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 7.5 HIGH
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-2026-12309 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 6.5 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-2026-12308 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 5.3 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-2026-12307 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 5.3 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-2026-12306 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 5.3 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-2026-12305 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 7.5 HIGH
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-2026-12301 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 5.3 MEDIUM
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12300 1 Mozilla 2 Firefox, Thunderbird 2026-06-18 N/A 5.3 MEDIUM
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12325 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 6.5 MEDIUM
Denial-of-service in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12316 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 9.1 CRITICAL
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12327 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 8.1 HIGH
Memory safety bugs present in 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, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12315 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 9.1 CRITICAL
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12324 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 7.3 HIGH
Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12302 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 6.5 MEDIUM
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.
CVE-2026-12304 1 Mozilla 2 Firefox, Thunderbird 2026-06-17 N/A 9.1 CRITICAL
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.