CVE-2026-84129

Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2...

CVE-2026-84128 Privilege escalation in the WebDriver BiDi component

Privilege escalation in the WebDriver BiDi component. This vulnerability was fixed in Firefox 155 and Thunderbird 155...

CVE-2026-84128

Privilege escalation in the WebDriver BiDi component. This vulnerability was fixed in Firefox 155 and Thunderbird 155...

CVE-2026-84128 Privilege escalation in the WebDriver BiDi component

Privilege escalation in the WebDriver BiDi component. This vulnerability was fixed in Firefox 155 and Thunderbird 155...

EUVD-2026-69077

Privilege escalation in the WebDriver BiDi component. This vulnerability was fixed in Firefox 155 and Thunderbird 155...

CVE-2026-84128

CVE-2026-84128 is a privilege escalation vulnerability in the WebDriver BiDi component of Firefox , fixed in Firefox 155 . The bug is tracked in Mozilla Bugzilla #2044280 and disclosed via MFSA2026-82 . The CVSS 3.1 score is 8.8 (HIGH) with a network attack vector, low complexity, no privileges r...

CVE-2026-84127 Information disclosure in the WebExtensions component in Firefox for Android

Information disclosure in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 155...

CVE-2026-84127 Information disclosure in the WebExtensions component in Firefox for Android

Information disclosure in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 155...

CVE-2026-84127

CVE-2026-84127 is an information disclosure vulnerability in the WebExtensions component of Firefox for Android . A remote attacker with user interaction could potentially access sensitive data , resulting in a low confidentiality impact . The CNA-assigned CVSS v3.1 score is 4.3 (Medium) (AV:N/AC...

EUVD-2026-69076

Information disclosure in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 155...

CVE-2026-84126 Incorrect boundary conditions in the Layout: Grid component

Incorrect boundary conditions in the Layout: Grid component. This vulnerability was fixed in Firefox 155 and Thunderbird 155...

EUVD-2026-69075

Incorrect boundary conditions in the Layout: Grid component. This vulnerability was fixed in Firefox 155 and Thunderbird 155...

CVE-2026-84126

Incorrect boundary conditions in the Layout: Grid component. This vulnerability was fixed in Firefox 155 and Thunderbird 155...

CVE-2026-84126

CVE-2026-84126 is a vulnerability in the Layout: Grid component of Firefox , caused by incorrect boundary conditions . The flaw allows a network-based attack with low complexity and no required privileges , but user interaction is required (e.g., visiting a crafted page). The impact is limited to...

CVE-2026-84126 Incorrect boundary conditions in the Layout: Grid component

Incorrect boundary conditions in the Layout: Grid component. This vulnerability was fixed in Firefox 155 and Thunderbird 155...

CVE-2026-84125

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2...

CVE-2026-84125 Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2...

CVE-2026-84125

A use-after-free vulnerability in the DOM: Core & HTML component of Firefox could allow a remote attacker to execute arbitrary code , according to Red Hat's assessment. The CVSS 3.1 score is 5.4 (Medium) with a network attack vector, low complexity, no required privileges, but user interaction re...

EUVD-2026-69074

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2...

CVE-2026-84125 Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2...