RHEL 8 : firefox (RHSA-2026:27717)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:27717 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

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:...

RHEL 10 : firefox (RHSA-2026:27733)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:27733 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

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...

ROS-20260622-73-0012

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-20260622-73-0008

The vulnerability of the WebRender component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to deficiencies in access control. Exploiting this vulnerability can allow an attacker to enhance their privileges remotely...

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 induce 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...

ROS-20260622-73-0003

The vulnerability in Firefox is related to errors during variable initialization. Exploiting this vulnerability can allow an attacker to cause a service failure...

ROS-20260622-73-0004

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

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-20260622-73-0002

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

ALSA-2026:27717 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...

The vulnerability in the Layout component: Text and Fonts of Mozilla Firefox, Firefox ESR, and the email client Thunderbird, which allows a hacker to cause a service failure.

The vulnerability of the Layout component: Texts and fonts in Mozilla Firefox, Firefox ESR, and the email client Thunderbird are vulnerable due to insufficient testing for unusual or exceptional states. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

Vulnerability of the Networking component: Mozilla Firefox, Firefox ESR, and Thunderbird email client’s HTTP browsers allow attackers to bypass existing security restrictions.

The vulnerability of the Networking component: Mozilla Firefox, Firefox ESR, and the email client Thunderbird rely on bypassing the authentication process by using an alternative path or channel. Exploiting this vulnerability allows a malicious actor to circumvent existing security restrictions...

Vulnerability of the Audio/Video component: The GMP browser components in Mozilla Firefox, Firefox ESR, and the email client Thunderbird allow a hacker to trigger a service failure.

Vulnerability of the Audio/Video component: The GMP browsers Mozilla Firefox and Firefox ESR, as well as the email client Thunderbird, are vulnerable due to insufficient checking of unusual or exceptional states. Exploitation of this vulnerability can allow a remote attacker to cause service...

The vulnerability affects the Audio/Video components of Mozilla Firefox, Firefox ESR, and the email client Thunderbird, allowing an attacker to execute arbitrary code.

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

vulnerability of the Widget component: Mozilla Firefox, Firefox ESR, and Thunderbird email client’s Cocoa browser engine, which allows attackers to gain unauthorized access to protected information.

The vulnerability of the Widget component: Mozilla Firefox, Firefox ESR, and the email client Thunderbird have vulnerabilities related to information processing errors. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...