AlmaLinux 8 : firefox (ALSA-2026:5932)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:5932 advisory. firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34...

CVE-2026-4712

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

SUSE CVE-2026-4698

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Linux Distros Unpatched Vulnerability : CVE-2026-4712

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

Linux Distros Unpatched Vulnerability : CVE-2026-4690

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34,...

Linux Distros Unpatched Vulnerability : CVE-2026-4708

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Linux Distros Unpatched Vulnerability : CVE-2026-4720

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption...

CVE-2026-4371

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

CVE-2026-4715 Uninitialized memory in the Graphics: Canvas2D component

Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4710

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

PT-2026-27517

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 Description A specially crafted email could contain malformed strings with negative lengths, leading to a memory read outside of the intended buffer. Successful exploitation...

Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3198 (ALAS-2026-3198)

The version of thunderbird installed on the remote host is prior to 140.8.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3198 advisory. Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox 148, Firefox...

Vulnerability of the DOM component: The security features of Mozilla Firefox, Firefox ESR, and the email client Thunderbird allow attackers to circumvent existing security restrictions.

The vulnerability of the DOM component: The security of Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to a flaw in data protection mechanisms. Exploiting this vulnerability allows an attacker to bypass existing security restrictions remotely...

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...

RHEL 9 : thunderbird (RHSA-2026:3978)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:3978 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox:...

Linux Distros Unpatched Vulnerability : CVE-2026-2801

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. CVE-2026-2801 Note that...

Linux Distros Unpatched Vulnerability : CVE-2026-2807

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort so...

Linux Distros Unpatched Vulnerability : CVE-2026-2779

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Incorrect boundary conditions in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird...

Linux Distros Unpatched Vulnerability : CVE-2026-2763

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 JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and...

firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML 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 DOM: Core & HTML component...