Vulnerability of the Graphics component: Canvas2D in browsers such as Mozilla Firefox, Firefox ESR, and the email client Thunderbird, which allows attackers to trigger a service failure.

The vulnerability of the Canvas2D component in Mozilla Firefox, Firefox ESR, and the Thunderbird email client is related to the use of an uninitialized resource. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

ALSA-2026:27734 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Sandbox escape in the DOM: Workers component CVE-2026-12294 firefox: thunderbird: Information disclosure, sandbox escape in the Security: Process...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Sandbox escape in the DOM: Workers component CVE-2026-12294 firefox: thunderbird: Information disclosure, sandbox escape in the Security: Process...

OPENSUSE-SU-2026:11072-1 MozillaThunderbird-140.12.0-1.1 on GA media

These are all security issues fixed in the MozillaThunderbird-140.12.0-1.1 package on the GA media of openSUSE Tumbleweed...

RHEL 9 : firefox (RHSA-2026:27734)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27734 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

ROS-20260622-73-0017

The vulnerability of the DOM component in Firefox web browsers, Firefox ESR, and the Thunderbird email client is related to the use of memory after it is released. Exploiting this vulnerability can allow a malicious actor to compromise the confidentiality, integrity, and accessibility of protecte...

ROS-20260622-73-0016

The vulnerability in browsers Firefox, Firefox ESR, and email clients Thunderbird, Thunderbird ESR, is related to the execution of operations beyond the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

ROS-20260622-73-0014

The vulnerability of the Audio/Video components in Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to the execution of operations outside of the buffer in memory. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...

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-20260622-73-0007

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...

Vulnerability of the WebRTC component: The signaling browsers Mozilla Firefox, Firefox ESR, and the email client Thunderbird, which allow attackers to cause service failures.

The vulnerability of the WebRTC component: The signaling browsers Mozilla Firefox, Firefox ESR, and the email client Thunderbird are vulnerable to a resource consumption issue that is uncontrollable. Exploiting this vulnerability could allow an attacker to cause service interruptions remotely...

The vulnerability in the JavaScript Engine component of Mozilla Firefox, Firefox ESR, and the Thunderbird email client allows a hacker to trigger a service failure.

The vulnerability of the JavaScript Engine component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to the use of an uninitialized resource. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

Mozilla Firefox ESR and Mozilla Thunderbird buffer overflow vulnerabilities (CNVD-2026-26109)

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. Both Mozilla Firefox ESR and Mozilla Thunderbird have buffer...

Multiple Mozilla Product Permissions Enhancement Vulnerabilities (CNVD-2026-26106)

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 was separated from the Mozilla Application Suite. Several Mozilla products have vulnerabilities related to privilege...

ROS-20260622-73-0028

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to reading data beyond the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

ROS-20260622-73-0019

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to reading data beyond the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

ROS-20260622-73-0022

The vulnerability in Thunderbird is related to incorrect code generation. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

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...

ROS-20260622-73-0015

The vulnerability in Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to the execution of operations outside of the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

ROS-20260622-73-0013

The vulnerability in Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to the execution of operations outside of the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...