ALSA-2026:27733 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-20260622-73-0018

The vulnerability in Firefox is related to insufficient checking of unusual or exceptional states. Exploiting this vulnerability can allow a remote attacker 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-20260622-73-0028

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-20260622-73-0011

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...

ROS-20260622-73-0001

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...

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 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...

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 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...

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

The vulnerability of the Graphics component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to insufficient checking of unusual or exceptional states. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

ROS-20260622-73-0010

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-20260622-73-0019

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-20260622-73-0020

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

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...

Fedora 43 : firefox / nss (2026-1c873954fa)

The remote Fedora 43 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-1c873954fa advisory. Update NSS to 3.124.0 Update to Firefox 152.0 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note...

Debian dla-4635 : firefox-esr - security update

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4635 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4635-1 [email protected]...

[SECURITY] [DLA 4635-1] firefox-esr security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4635-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort June 19, 2026 https://wiki.debian.org/LTS -...