CVE-2026-92060

A use-after-free flaw in the Internationalization component of Mozilla's Firefox and Thunderbird was disclosed in September 2026. The vulnerability is addressed in Firefox 156 , Firefox ESR 153.3 , Thunderbird 156 , and Thunderbird 153.3 , as referenced in the Mozilla Foundation Security Advisory...

EUVD-2026-78523

Use-after-free in the Internationalization component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156...

CVE-2026-92060

Use-after-free in the Internationalization component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...

CVE-2026-92059

Incorrect boundary conditions in the DOM: Editor component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...

CVE-2026-92059

CVE-2026-92059 is caused by incorrect boundary conditions in the DOM: Editor component of Mozilla products. The flaw is fixed in Firefox 156 , Firefox ESR 153.3 , Thunderbird 156 , and Thunderbird 153.3 . The vulnerability is one of multiple issues addressed in Mozilla Foundation Security Advisor...

CVE-2026-92059 Incorrect boundary conditions in the DOM: Editor component

Incorrect boundary conditions in the DOM: Editor component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...

EUVD-2026-78522

Incorrect boundary conditions in the DOM: Editor component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156...

CVE-2026-92058

CVE-2026-92058 is a use-after-free vulnerability in the Graphics component of Mozilla's Firefox and Thunderbird . The flaw is fixed in Firefox 156 , Firefox ESR 153.3 , Thunderbird 156 , and Thunderbird 153.3 , as confirmed by multiple vendor and third-party trackers. The issue is part of a broad...

EUVD-2026-78521

Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156...

CVE-2026-92058

Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...

CVE-2026-92058 Use-after-free in the Graphics component

Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...

CVE-2026-92057

CVE-2026-92057 is a mitigation bypass in the Enterprise Policies component of Firefox and Thunderbird , as described in the Mozilla Foundation Security Advisory (mfsa2026-94). The Enterprise Policies component allows organizations to enforce security settings across managed installations; a bypas...

CVE-2026-92057 Mitigation bypass in the Enterprise Policies component

Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...

EUVD-2026-78520

Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156...

CVE-2026-92057

Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...

CVE-2026-92056 Use-after-free in the Graphics: Text component

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...

CVE-2026-92056

CVE-2026-92056 is a use-after-free vulnerability in the Graphics: Text component of Mozilla Firefox and Thunderbird . The flaw is fixed in Firefox 156 , Firefox ESR 153.3 , Thunderbird 156 , and Thunderbird 153.3 . The vulnerability is part of the Mozilla Foundation Security Advisory mfsa2026-94 ...

EUVD-2026-78519

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156...

CVE-2026-92056

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...

CVE-2026-92055 Privilege escalation in the DevTools component

Privilege escalation in the DevTools component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3...