CVE-2026-16391 Information disclosure in the Storage: IndexedDB component

Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

EUVD-2026-46228

Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13...

CVE-2026-16390

A mitigation bypass exists in the Enterprise Policies component of Mozilla Firefox and Thunderbird . This vulnerability has been addressed in Firefox 153 , Firefox ESR 140.13 , Thunderbird 153 , and Thunderbird 140.13 . For users on Amazon Linux 2 , the fix is available in firefox-140.13.0-1.amzn...

EUVD-2026-46227

Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13...

EUVD-2026-46224

Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13...

CVE-2026-16383 Mitigation bypass in the DOM: Networking component

Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16383 Mitigation bypass in the DOM: Networking component

Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

EUVD-2026-46216

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13...

EUVD-2026-46215

Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13...

CVE-2026-16377 Mitigation bypass in the PDF Viewer component

Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

EUVD-2026-46213

Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13...

CVE-2026-16377

Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16377 Mitigation bypass in the PDF Viewer component

Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16375

Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16375 Site isolation issue in the Networking: HTTP component

Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16357

Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16357

This vulnerability exists in the Graphics component of the Mozilla Firefox and Thunderbird browsers, caused by incorrect boundary conditions . It affects multiple versions, including Firefox 153 , Firefox ESR 115.38 , Firefox ESR 140.13 , Thunderbird 153 , and Thunderbird 140.13 . Remediation is ...

CVE-2026-16356

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

EUVD-2026-46204

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13...

CVE-2026-16355

The JavaScript Engine: JIT component in Mozilla Firefox and Thunderbird is vulnerable to JIT miscompilation (CVE-2026-16355). This flaw can potentially lead to the execution of arbitrary code. The vulnerability has been addressed in Firefox 153 , Firefox ESR 115.38 , Firefox ESR 140.13 , Thunderb...