CVE-2026-100808

A mitigation bypass exists in the DOM: Service Workers component of the Mozilla Firefox web browser. This vulnerability has been addressed in Firefox ESR 153.4 , Thunderbird 157 , Thunderbird 153.4 , and Firefox 157 . While specific technical root causes are not detailed in the provided documents...

CVE-2026-100808 Mitigation bypass in the DOM: Service Workers component

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157...

EUVD-2026-88787

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157...

CVE-2026-100808 Mitigation bypass in the DOM: Service Workers component

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157...

CVE-2026-100807

Privilege escalation in the DOM: Service Workers 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-2026-100808

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157...

CVE-2026-100807 Privilege escalation in the DOM: Service Workers component

Privilege escalation in the DOM: Service Workers 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...

EUVD-2026-88786

Privilege escalation in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17...

CVE-2026-100807 Privilege escalation in the DOM: Service Workers component

Privilege escalation in the DOM: Service Workers 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-2026-100807

A privilege escalation vulnerability exists in the DOM: Service Workers component of the Firefox web browser. This flaw allows for an escalation of privileges within the browser environment. The vulnerability has been addressed in Firefox ESR 153.4 , Firefox 157 , and Firefox ESR 140.17 . No spec...

CVE-2026-100808

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157...

CVE-2026-100808: Protection Mechanism Failure

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157...

PT-2026-102582

Name of the Vulnerable Software and Affected Versions Firefox ESR versions prior to 153.4 Firefox versions prior to 157 Thunderbird versions prior to 157 Description A mitigation bypass exists within the DOM: Service Workers component. Service Workers are scripts that the browser runs in the...

CVE-2026-100807: Improper Privilege Management

Privilege escalation in the DOM: Service Workers 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-2026-100807: Improper Privilege Management

Privilege escalation in the DOM: Service Workers 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-2026-102676: Improper Privilege Management

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, an Electron guest could enable nodeIntegrationInWorker for its Web Workers even when the unsandboxed embedder had Node.js integration...

PT-2026-102581

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Firefox ESR versions prior to 153.4 Firefox ESR versions prior to 140.17 Thunderbird versions prior to 157 Description Privilege escalation exists within the DOM: Service Workers component. Service Workers are...

RLSA-2026:67133 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Privilege escalation in the DOM: Workers component CVE-2026-16365 firefox: thunderbird: Sandbox escape in the Remote Settings Client component...

firefox: thunderbird: Privilege escalation in the DOM: Service Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the DOM: Service Workers component...

Astra Linux – Vulnerability in Chromium

Improper access control in Workers in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. Chromium security severity: Medium...