Mozilla Thunderbird < 154.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 154.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-78 advisory. - Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154 and...

Linux Distros Unpatched Vulnerability : CVE-2026-74942

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR...

Linux Distros Unpatched Vulnerability : CVE-2026-74935

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Privilege escalation in the DOM: Networking component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1,...

Linux Distros Unpatched Vulnerability : CVE-2026-74944

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbi...

Linux Distros Unpatched Vulnerability : CVE-2026-74954

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Information disclosure due to side-channel in the Storage: Cache API component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154,...

Linux Distros Unpatched Vulnerability : CVE-2026-74957

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mitigation bypass in the Safe Browsing component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbi...

Linux Distros Unpatched Vulnerability : CVE-2026-74946

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.3...

CVE-2026-74989

Internally found bugs present in Thunderbird 153. Some of these bugs s...

UBUNTU-CVE-2026-74988

Internally found bugs present in Thunderbird ESR 153.0 and Thunderbird...

Linux Distros Unpatched Vulnerability : CVE-2026-74940

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1,...

Linux Distros Unpatched Vulnerability : CVE-2026-74989

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Internally found bugs present in Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that wi...

UBUNTU-CVE-2026-74990

Internally found bugs present in Thunderbird ESR 140.13, Thunderbird E...

Linux Distros Unpatched Vulnerability : CVE-2026-74963

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird...

Linux Distros Unpatched Vulnerability : CVE-2026-74934

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR...

Linux Distros Unpatched Vulnerability : CVE-2026-74952

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 154 and Thunderbird 154. CVE-2026-74952 Note that Nessus relie...

Linux Distros Unpatched Vulnerability : CVE-2026-74950

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Privilege escalation in the Downloads API component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

Mozilla Thunderbird < 153.1

The version of Thunderbird installed on the remote Windows host is prior to 153.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-80 advisory. - Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Some of these...

Linux Distros Unpatched Vulnerability : CVE-2026-74987

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another...

Mozilla Thunderbird < 154.0

The version of Thunderbird installed on the remote Windows host is prior to 154.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-78 advisory. - Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154 and Thunderbir...

Linux Distros Unpatched Vulnerability : CVE-2026-74958

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Information disclosure in the WebRTC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...