CVE-2026-117901

A use-after-free vulnerability exists in the DOM: Core & HTML component of the Mozilla Firefox web browser and Thunderbird email client. The flaw could potentially lead to arbitrary code execution or information disclosure. This issue was resolved in Firefox 159 , Firefox ESR 115.44 , Firefox ESR...

EUVD-2026-110933

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

CVE-2026-117902 Use-after-free in the Layout: Text and Fonts component

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

CVE-2026-117902

A use-after-free vulnerability exists in the Layout: Text and Fonts component of the Mozilla Firefox browser and Thunderbird email client. The vulnerability was addressed in Firefox 159 , Firefox ESR 153.6 , Thunderbird 159 , and Thunderbird 153.6 . Details regarding the specific root cause or ex...

CVE-2026-117898

A use-after-free vulnerability exists in the JavaScript Engine: JIT component of the Firefox web browser and Thunderbird. The issue was addressed in Firefox 159 , Firefox ESR 153.6 , Thunderbird 159 , and Thunderbird 153.6 . While the technical root cause is not detailed in the provided documents...

CVE-2026-117898 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 153.6, Thunderbird 159, and Thunderbird 153.6...

CVE-2026-117899

A use-after-free vulnerability exists in the Networking: HTTP component of Mozilla Firefox and Thunderbird . This flaw could lead to various security risks, including arbitrary code execution or information disclosure. The issue has been addressed in the following versions: Firefox 159 , Firefox ...

CVE-2026-117899 Use-after-free in the Networking: HTTP component

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

EUVD-2026-110930

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

EUVD-2026-111069

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

EUVD-2026-111066

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-2026-117896 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-2026-111067

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-2026-117896

A use-after-free vulnerability exists in the DOM: Core & HTML component of the Mozilla Firefox and Thunderbird web browsers. This flaw could potentially lead to arbitrary code execution or information disclosure . The vulnerability has been addressed in Firefox 159 , Firefox ESR 115.44 , Firefox ...

CVE-2026-117895

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 versions 159 , ESR 115.44 , and ESR 153.6 , along with corresponding updates for Thunderbird. While specific exploitation details are not pro...

CVE-2026-117895 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-2026-117892 Privilege escalation due to use-after-free in the WebRTC: Networking component

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-2026-117892

A use-after-free vulnerability exists in the WebRTC: Networking component of the Firefox web browser and Thunderbird email client. This flaw can lead to privilege escalation . The issue has been addressed in Firefox 159 , Firefox ESR 115.44 , Firefox ESR 153.6 , Thunderbird 159 , and Thunderbird ...

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 Mozilla Firefox web browser. This issue was resolved in Firefox 159 , Firefox ESR 115.44 , Firefox ESR 153.6 , Thunderbird 159 , and Thunderbird 153.6 . While the vulnerability is documented as a memory safety is...