EUVD-2026-111063

Privilege escalation due to use-after-free in the WebRTC: Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

CVE-2026-117891

A use-after-free vulnerability exists in the JavaScript Engine: JIT component of the Firefox web browser. This flaw was addressed in Firefox 159 , Firefox ESR 115.44 , and Firefox ESR 153.6 . No specific details regarding the root cause, practical consequences, or available exploits are provided ...

CVE-2026-117891 Use-after-free in the JavaScript Engine: JIT component

Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

EUVD-2026-111062

Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

CVE-2026-117887

A use-after-free vulnerability exists in the DOM: Core & HTML component of the Firefox web browser. This flaw was addressed in Firefox 159 , Firefox ESR 115.44 , and Firefox ESR 153.6 . No specific exploit details or in-the-wild exploitation information are provided in the documents.

CVE-2026-117887 Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

EUVD-2026-111058

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

CVE-2026-117884

A use-after-free vulnerability exists in the Networking component of the Firefox web browser. The issue has been addressed in versions Firefox 159 , Firefox ESR 115.44 , and Firefox ESR 153.6 . No specific exploit details or in-the-wild exploitation information are provided in the documents.

CVE-2026-117884 Use-after-free in the Networking component

Use-after-free in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

CVE-2026-117885 Use-after-free in the Layout: Grid component

Use-after-free in the Layout: Grid component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

EUVD-2026-111055

Use-after-free in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

EUVD-2026-111056

Use-after-free in the Layout: Grid component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

CVE-2026-117885

A use-after-free vulnerability exists in the Layout: Grid component of the Firefox browser. The issue has been addressed in Firefox 159 and Firefox ESR 153.6 . No specific exploit details or in-the-wild exploitation information are provided in the documents.

EUVD-2026-111052

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

EUVD-2026-111053

Use-after-free in the Layout component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

CVE-2026-117881

A Use-after-free vulnerability exists in the DOM: Core & HTML component of the Firefox web browser. This flaw was addressed in Firefox 159 , Firefox ESR 115.44 , and Firefox ESR 153.6 . No specific exploit information or practical impact details are provided in the documents.

CVE-2026-117882

A use-after-free vulnerability exists in the Layout component of Firefox . This flaw was addressed in several releases, including Firefox 159 , Firefox ESR 115.44 , and Firefox ESR 153.6 . No specific exploit details or practical consequences are provided in the documents.

CVE-2026-117883

A use-after-free vulnerability exists in the DOM: HTML Parser component of the Firefox web browser. This flaw has been addressed in Firefox 159 , Firefox ESR 115.44 , and Firefox ESR 153.6 . No specific exploit details or in-the-wild exploitation information are provided in the documents.

CVE-2026-117883 Use-after-free in the DOM: HTML Parser component

Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...

CVE-2026-117881 Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6...