firefox: Site isolation issue in the Networking: Cookies component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the Networking: Cookies component...

firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the Graphics: CanvasWebGL component...

firefox: thunderbird: Site isolation issue in the WebExtensions component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the WebExtensions component...

firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the Graphics: CanvasWebGL component...

firefox: Site isolation issue in the Networking: Cookies component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the Networking: Cookies component...

firefox: thunderbird: Site isolation issue in the WebExtensions component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the WebExtensions component...

firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the Graphics: CanvasWebGL component...

firefox: Site isolation issue in the Networking: Cookies component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the Networking: Cookies component...

firefox: thunderbird: Site isolation issue in the WebExtensions component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the WebExtensions component...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

firefox: Site isolation issue in the Networking: Cookies component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the Networking: Cookies component...

firefox: thunderbird: Site isolation issue in the WebExtensions component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the WebExtensions component...

firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Site isolation issue in the Graphics: CanvasWebGL component...

Trespasser

CVE-2026-74970 · Firefox Fission site-isolation bypass via missing PipelineId namespace check This directory holds an honest reproduction scaffold for a Fission site-isolation authorization bypass in Firefox WebRender. Under Fission each content process owns a distinct PipelineId namespace, but t...

ALSA-2026:65159 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL component CVE-2026-74934 firefox: thunderbird: Privilege escalation in the Networking: Cookies component CVE-2026-74953 firefox: thunderbird:...

PT-2026-88605

Incorrect authorization in FileSystem in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. Chromium security severity: Medium...

PT-2026-88643

Missing authorization in Core in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. Chromium security severity: Low...

PT-2026-88641

Information leak in Navigation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. Chromium security severity: Medium...

PT-2026-88533

Race condition in FileAPI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. Chromium security severity: Medium...

PT-2026-88568

Incorrect authorization in Isolated in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass site isolation via a crafted HTML page. Chromium security severity: Medium...