CVE-2026-109732

A use-after-free vulnerability exists in the DOM: Streams component of the browser engine. This issue was addressed in the following releases: Firefox 158 , Firefox ESR 115.43 , Firefox ESR 153.5 , Thunderbird 158 , and Thunderbird 153.5 . Exploitation details are not provided in the documents.

CVE-2026-109729 Use-after-free in the JavaScript Engine: JIT component

Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109725

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109726

Use-after-free in the SVG component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

EUVD-2026-98641

Race condition, use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

EUVD-2026-98643

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109719

A race condition and use-after-free vulnerability exists in the Graphics: CanvasWebGL component of Firefox and Thunderbird . This security flaw, reported by Shu Takahashi of Velcore Consulting Inc., was addressed in the following versions: Firefox 158 , Firefox ESR 115.43 , Firefox ESR 153.5 , Th...

CVE-2026-109725

A use-after-free vulnerability exists in the DOM: Core & HTML component of the Firefox web browser. This flaw has a high impact and was addressed in versions Firefox 158 , Firefox ESR 115.43 , and Firefox ESR 153.5 . No specific exploit details or links are provided in the documentation.

CVE-2026-109726

Firefox is vulnerable to a use-after-free vulnerability in the SVG component . This flaw was reported by Mozilla and is associated with Bug 2074212 . The vulnerability has been addressed in Firefox 158 , Firefox ESR 115.43 , and Firefox ESR 153.5 . No specific exploit details or in-the-wild explo...

CVE-2026-109719

Race condition, use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109719 Race condition, use-after-free in the Graphics: CanvasWebGL component

Race condition, use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109725 Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109719 Race condition, use-after-free in the Graphics: CanvasWebGL component

Race condition, use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, and Firefox ESR 153.5...

EUVD-2026-98640

Use-after-free in the XML component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109718

A use-after-free vulnerability exists in the XML component of certain software products. This flaw was addressed in Firefox 158 , Firefox ESR 115.43 , Firefox ESR 153.5 , Thunderbird 158 , and Thunderbird 153.5 . Exploitation details are not provided in the documents.

CVE-2026-109718

Use-after-free in the XML component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109718 Use-after-free in the XML component

Use-after-free in the XML component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109718 Use-after-free in the XML component

Use-after-free in the XML component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, and Firefox ESR 153.5...

EUVD-2026-98635

Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

EUVD-2026-98636

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...