CVE-2026-70604 Electron: Custom protocol with supportFetchAPI but not corsEnabled allows cross-origin reads

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.10, 40.9.3, 41.4.0, and 42.0.0, a custom scheme registered with supportFetchAPI: true but without corsEnabled: true was not subject to CORS enforcement. A page loaded from a remot...

firefox: thunderbird: Same-origin policy bypass in the Networking: DNS component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: DNS component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Navigation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Navigation component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Navigation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Navigation component...

ALSA-2026:49922 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15718 firefox: thunderbird: Mitigation...

firefox: thunderbird: Same-origin policy bypass in the DOM: Navigation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Navigation component...

firefox: thunderbird: Same-origin policy bypass in the Networking: DNS component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: DNS component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Navigation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Navigation component...

firefox: thunderbird: Same-origin policy bypass in the Networking: DNS component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: DNS component...

OESA-2026-3196 thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the...

SUSE CVE-2026-17743

Insufficient policy enforcement in ControlledFrame in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

SUSE CVE-2026-17754

Inappropriate implementation in Blink in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

SUSE CVE-2026-17764

Inappropriate implementation in FedCM in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

SUSE CVE-2026-17787

Inappropriate implementation in DevTools in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-17883

A flaw was found in Google Chrome's Headless mode. A remote attacker could exploit this vulnerability by tricking a user into visiting a specially crafted HTML page. This could allow the attacker to bypass the Same-Origin Policy SOP, a security mechanism that prevents web pages from interacting...

SUSE CVE-2026-17842

Inappropriate implementation in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

SUSE CVE-2026-17846

Inappropriate implementation in Media in Google Chrome on Windows prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

SUSE CVE-2026-17850

Inappropriate implementation in Permissions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

SUSE CVE-2026-17852

Inappropriate implementation in Media Router in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

SUSE CVE-2026-17854

Insufficient policy enforcement in WebMCP in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...