firefox: thunderbird: Use-after-free in the Networking: HTTP component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the Networking: HTTP component...

Mozilla Thunderbird < 140.12.1

The version of Thunderbird installed on the remote Windows host is prior to 140.12.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-64 advisory. - An attacker who can send HTML chat messages via Matrix or XMPP can inject arbitrary styled content, phishing...

Multiple Mozilla products have buffer overflow vulnerabilities (CNVD-2026-26389)

Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla Application Suite. Several Mozilla products have buffer overflow vulnerabilities...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mitigation bypass in the Networking: HTTP component. This vulnerability has been fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

JIT compilation errors in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

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...

Astra Linux – Vulnerability in Firefox and Thunderbird

Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox

Memory safety bugs exist in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability has been fixed in Firefox 149.0.2 and...

Astra Linux – Vulnerability in Firefox and Thunderbird

Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1...

Astra Linux – Vulnerability in Firefox and Thunderbird

Sandbox escape due to a use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Thunderbird

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 the connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

firefox: thunderbird: JIT miscompilation in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the DOM: Core & HTML component...

ROS-20260622-73-0005

The vulnerability in Thunderbird relates to the use of memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

ROS-20260622-73-0006

The vulnerability in Thunderbird is related to the use of an uninitialized resource. Exploiting this vulnerability can allow an attacker to cause a service failure...

ROS-20260622-73-0021

The vulnerability in Thunderbird is related to insufficient checking of unusual or exceptional states. Exploiting this vulnerability can allow a malicious actor to cause service failures...

The vulnerability in the file handling components of Mozilla Firefox, Firefox ESR, and the email client Thunderbird allows a hacker to circumvent existing security restrictions.

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird lies in a violation of data protection mechanisms. Exploiting this vulnerability allows an attacker to circumvent existing security restrictions remotely...

ROS-20260610-73-0009

The vulnerability in Thunderbird is related to deficiencies in access control for personal information. Exploiting this vulnerability could allow an attacker, operating remotely, to gain unauthorized access to protected information...