CVE-2026-100780

A use-after-free vulnerability exists in the DOM: Core & HTML component of the Firefox browser. This flaw was addressed in several versions, including Firefox ESR 153.4 , Firefox 157 , Firefox ESR 115.42 , and Firefox ESR 140.17 . While the specific technical root cause is not detailed beyond the...

EUVD-2026-88930

Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100778 Sandbox escape due to use-after-free in the DOM: Core & HTML component

Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100778 Sandbox escape due to use-after-free in the DOM: Core & HTML component

Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100778

Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100778

Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100778

The Firefox browser is vulnerable to a sandbox escape caused by a use-after-free flaw in the DOM: Core & HTML component. This vulnerability was addressed in the following versions: Firefox ESR 153.4 , Firefox 157 , Firefox ESR 115.42 , and Firefox ESR 140.17 . While technical details regarding th...

CVE-2026-100776 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17...

CVE-2026-100776

A use-after-free vulnerability exists in the JavaScript: WebAssembly component of the Firefox web browser. The vulnerability has been addressed in Firefox ESR 153.4 , Firefox 157 , and Firefox ESR 140.17 . Exploitation details are not provided in the documents, but the issue is reported with a hi...

CVE-2026-100774 Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

EUVD-2026-88926

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

EUVD-2026-88927

Sandbox escape in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100774 Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100774

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100774

A use-after-free vulnerability exists in the DOM: Core & HTML component of Firefox . This flaw was addressed in several releases, including Firefox ESR 153.4 , Firefox 157 , Firefox ESR 115.42 , and Firefox ESR 140.17 . While the vulnerability is categorized as high impact with a CVSS score of 8....

CVE-2026-100772

The Firefox browser is affected by a use-after-free vulnerability in the DOM: Core & HTML component . This vulnerability can lead to significant security consequences, and it has been addressed in Firefox ESR 153.4 , Firefox 157 , and Firefox ESR 140.17 . Specific exploit details or in-the-wild e...

CVE-2026-100772 Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17...

EUVD-2026-88924

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17...

CVE-2026-100772 Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17...

CVE-2026-100772

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17...