Astra Linux – Vulnerability in Firefox and Thunderbird

When exiting fullscreen mode, an iframe could mislead the browser regarding the current state of fullscreen, potentially causing confusion for users or leading to spoofing attacks. This vulnerability affects Thunderbird 91.10, Firefox 101, and Firefox ESR 91.10...

Astra Linux – Vulnerability in Firefox

The fullscreen notification is prematurely hidden when the user quickly requests fullscreen again. This vulnerability could have been exploited to carry out a spoofing attack. This issue has been fixed in Firefox 135 and Thunderbird 135...

Mozilla Thunderbird < 140.11

The version of Thunderbird installed on the remote Windows host is prior to 140.11. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-51 advisory. - Memory safety bugs present in Thunderbird 140.10 and Thunderbird 150. Some of these bugs showed evidence of memor...

Mozilla Thunderbird < 150.0.1

The version of Thunderbird installed on the remote Windows host is prior to 150.0.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-38 advisory. - Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was...

CVE-2026-5733

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2...

UBUNTU-CVE-2026-4709

Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4719

Incorrect boundary conditions in the Graphics: Text component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4726

Denial-of-service in the XML component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4712

Information disclosure in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Mozilla Thunderbird < 140.9

The version of Thunderbird installed on the remote Windows host is prior to 140.9. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-24 advisory. - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox 149, Firefox ESR 140.9,...

CVE-2026-2790

Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

CVE-2026-2782 Privilege escalation in the Netmonitor component

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

firefox: thunderbird: Information disclosure in the Networking component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure in the Networking component...

firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component...

firefox: thunderbird: Privilege escalation in the Netmonitor component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Netmonitor component...

firefox: thunderbird: Same-origin policy bypass in the Request Handling 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 Request Handling component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

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

Linux Distros Unpatched Vulnerability : CVE-2025-11716

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Links in a sandboxed iframe could open an external app on Android without the required allow- permission. This vulnerability was fixed in Firefox 144 and...

CVE-2025-10530

Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143...

CVE-2025-10529

Same-origin policy bypass in the Layout component. This vulnerability affects Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3...