CVE-2026-84140 Site isolation issue in the DOM: Navigation component

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-2026-84140

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...

EUVD-2026-69088

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-2026-84133

CVE-2026-84133 is a site isolation issue in the DOM: Push Subscriptions component of Mozilla products. It affects Firefox (fixed in 155), Firefox ESR (fixed in 153.2), Thunderbird (fixed in 155), and Thunderbird ESR (fixed in 153.2). The CNA-assigned CVSS 3.1 score is 9.8 (Critical) with a vector...

CVE-2026-84133 Site isolation issue in the DOM: Push Subscriptions component

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

EUVD-2026-69081

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

CVE-2026-84133

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

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-2026-84129

CVE-2026-84129 is a site isolation issue in the DOM: Navigation component of Mozilla's browser and email products. The vulnerability carries a CVSS 3.1 score of 9.8 (CRITICAL) with a network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity,...

EUVD-2026-69078

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-2026-84129 Site isolation issue in the DOM: Navigation component

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-2026-84129 Site isolation issue in the DOM: Navigation component

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-2026-84129

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...

PT-2026-84186

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 155 Firefox ESR versions prior to 153.2 Thunderbird versions prior to 155 Thunderbird versions prior to 153.2 Description A site isolation issue exists within the DOM: Push Subscriptions component. Site isolation is a...

PT-2026-84182

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 155 Firefox ESR versions prior to 153.2 Thunderbird versions prior to 155 Thunderbird versions prior to 153.2 Description A site isolation issue exists within the DOM Navigation component. Site isolation is a security...

PT-2026-84193

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 155 Firefox ESR versions prior to 153.2 Thunderbird versions prior to 155 Thunderbird versions prior to 153.2 Description A site isolation issue exists within the DOM Navigation component. Site isolation is a security...

OPENSUSE-SU-2026:21713-1 Security update for MozillaFirefox, mozilla-nss, mozilla-nspr, rust-cbindgen

This update for MozillaFirefox, mozilla-nss, mozilla-nspr, rust-cbindgen fixes the following issues: Changes in MozillaFirefox: Firefox Extended Support Release 153.1.0 ESR. Fixed: Various security fixes. MFSA 2026-77 bsc1274867: CVE-2026-74934 Site isolation issue in the Graphics: CanvasWebGL...

OPENSUSE-SU-2026:20849-1 Security update for chromium

This update for chromium fixes the following issues: Changes in chromium: - Chromium 148.0.7778.215 boo1266471: CVE-2026-9872: Out of bounds write in GPU CVE-2026-9873: Use after free in Network CVE-2026-9874: Use after free in Dawn CVE-2026-9875: Out of bounds read in WebGL CVE-2026-9876: Use...

Amazon Linux 2023 : firefox (ALAS2023-2026-2105)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2105 advisory. Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts function in xmlparse.c, where processing N specified attributes with...

MiracleLinux 8 : firefox-140.14.0-1.el8_10.ML.1 (AXSA:2026-1703:21)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-1703:21 advisory. firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component CVE-2026-74983 firefox: thunderbird: Site isolation issue in the...