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-2026-117891 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-2026-111058

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-2026-117887

A use-after-free vulnerability exists in the DOM: Core & HTML component of the Mozilla Firefox and Thunderbird browsers. This flaw was addressed in Firefox 159 , Firefox ESR 115.44 , Firefox ESR 153.6 , Thunderbird 159 , and Thunderbird 153.6 . While the technical root cause is not detailed beyon...

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...

CVE-2026-117885

CVE-2026-117885 is a use-after-free vulnerability in the Layout: Grid component of the Mozilla Firefox browser and Thunderbird email client. The flaw was addressed in Firefox 159 , Firefox ESR 153.6 , Thunderbird 159 , and Thunderbird 153.6 . While the vulnerability's technical impact is categori...

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 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...

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-2026-117884

A use-after-free vulnerability exists in the Networking component of the Firefox web browser and Thunderbird email client. This flaw was addressed in Firefox 159 , Firefox ESR 115.44 , Firefox ESR 153.6 , Thunderbird 159 , and Thunderbird 153.6 . No specific exploit details or links were provided...

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...

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...

CVE-2026-117882 Use-after-free in the Layout component

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-2026-117883 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-2026-117883

A Use-after-free vulnerability exists in the DOM: HTML Parser component of the Mozilla Firefox web browser and the Thunderbird email client. This flaw was addressed in Firefox 159 , Firefox ESR 115.44 , Firefox ESR 153.6 , Thunderbird 159 , and Thunderbird 153.6 . While the vulnerability was iden...

CVE-2026-117881

A use-after-free vulnerability exists in the DOM: Core & HTML component of the Mozilla Firefox and Thunderbird browsers. This flaw allows for potential exploitation within the browser's core rendering and structure. The issue has been addressed in the following versions: Firefox 159 , Firefox ESR...

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...

EUVD-2026-111054

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-2026-117882

A use-after-free vulnerability exists in the Layout component of Mozilla Firefox and Thunderbird . This memory management flaw could allow an attacker to execute arbitrary code or perform information disclosure by rendering crafted web pages. The issue has been addressed in Firefox 159 , Firefox ...