Vulnerability of the DOM component: Available in Mozilla Firefox, Firefox ESR, and Thunderbird email client browsers, allowing attackers to perform spoofing attacks.

The vulnerability of the DOM component: The Core and HTML browsers of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are vulnerable to attacks that involve bypassing authentication procedures through spoofing. Exploiting this vulnerability allows attackers to carry out spoofing...

PT-2026-50854

These are all security issues fixed in the MozillaFirefox-152.0-1.1 package on the GA media of openSUSE Tumbleweed...

OPENSUSE-SU-2026:11052-1 MozillaFirefox-152.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-152.0-1.1 package on the GA media of openSUSE Tumbleweed...

[slackware-security] mozilla-firefox

New mozilla-firefox packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/mozilla-firefox-140.12.0esr-i686-1slack15.0.txz: Upgraded. This update contains security fixes and improvements. For more...

CVE-2026-12305

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12310

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

EUVD-2026-37097

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

KLA91100 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code. Below is a complete list of vulnerabilities: 1. Security vulnerability in the Graphics: WebRender compone...

KLA91106 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code, bypass security restrictions. Below is a complete list of vulnerabilities: 1. Memory safety bug fixed in Firefox 152 2. A remote code...

RHEL 9 : thunderbird (RHSA-2026:26174)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26174 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript...

CVE-2026-12068

Information disclosure vulnerability in Avira Password Manager when used with Mozilla Firefox may allow a remote attacker operating a cross-origin iframe to obtain credentials autofilled for the parent web page via incorrect autofill field selection. This issue affects Avira Password Manager when...

PT-2026-49049

Name of the Vulnerable Software and Affected Versions Avira Password Manager affected versions not specified Description An information disclosure issue exists in Avira Password Manager when used with Mozilla Firefox on Windows, macOS, and Linux. A remote attacker operating a cross-origin iframe...

ROS-20260610-73-0016

The vulnerability of the Access API components of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

ROS-20260610-73-0017

The vulnerability of the XPCOM component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to a numerical overflow vulnerability. Exploiting this vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected informatio...

ROS-20260610-73-0019

The vulnerabilities of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are related to insufficient validation of input data. Exploiting these vulnerabilities can allow an attacker to compromise the confidentiality, integrity, and accessibility of protected information...

ROS-20260610-73-0021

The vulnerability of the JavaScript Engine component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to access to resources through incompatible types. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibility ...

OPENSUSE-SU-2026:10977-1 MozillaFirefox-151.0.3-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-151.0.3-1.1 package on the GA media of openSUSE Tumbleweed...

ROS-20260609-73-0028

Vulnerability of Audio/Video components: Mozilla Firefox, Firefox ESR, and Thunderbird’s email client use web codecs. This vulnerability is related to insufficient checking of unusual or exceptional states. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

ROS-20260609-73-0002

The vulnerabilities of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are related to integer overflows. Exploiting these vulnerabilities can allow a malicious actor to cause service failures remotely...

ROS-20260609-73-0022

The vulnerability of the Telemetry 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 a malicious actor to cause service failures...