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...

Astra Linux – Vulnerability in Firefox, Thunderbird

Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

Astra Linux – Vulnerability in Firefox

When Web Render components were destroyed, a race condition could lead to undefined behavior. We assume that with sufficient effort, this vulnerability could be exploited to execute arbitrary code. This vulnerability affects Firefox versions earlier than 88.0.1, as well as Firefox for Android...

Astra Linux – Vulnerability in Firefox, Thunderbird

DoS attack due to out-of-memory in the Graphics:WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2...

Astra Linux – Vulnerability in Firefox, Thunderbird

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

Astra Linux – Vulnerability in Firefox, Thunderbird

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

Astra Linux – Vulnerability in Firefox

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

Astra Linux – Vulnerability in Firefox and Thunderbird

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

The vulnerability of the WebRender component in Firefox web browsers, Firefox ESR, and the Thunderbird email client allows a hacker to trigger a service failure.

The vulnerability of the WebRender component in Firefox web browsers, Firefox ESR, and the email client Thunderbird is related to deficiencies in access control in isolated environments. Exploiting this vulnerability could allow a malicious actor to cause service failures...

The vulnerability of the WebRender component in Firefox web browsers, Firefox ESR, and the Thunderbird email client allows a hacker to trigger a service failure.

The vulnerability of the WebRender component in Firefox web browsers, Firefox ESR, and the email client Thunderbird is related to deficiencies in access control in isolated environments. Exploiting this vulnerability could allow a malicious actor to cause service failures...

SUSE CVE-2026-74968

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74968

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74968

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

UBUNTU-CVE-2026-74968

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74968 Site isolation issue in the Graphics: WebRender component

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

EUVD-2026-60687

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74968

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74968

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74968

Firefox's WebRender component has a site isolation flaw allowing cross-site data access or tampering, rated CVSS 5.4 (Medium). Fixed in Firefox 154 and Firefox ESR 153.1. No in-the-wild exploitation reported. Users should update immediately. Mozilla advisories: mfsa2026-74, mfsa2026-77.

CVE-2026-74968 Site isolation issue in the Graphics: WebRender component

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...