firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort som...

firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component...

CVE-2023-43686

CVE-2023-43686 affects Malwarebytes 4.x and 5.x (and Nebula 2020-10-21 and later). The issue arises when parsing a large number of Firefox preference files, which can cause the parser to ignore other browser configuration files, resulting in a denial of service. The connected sources confirm the ...

CVE-2023-43686

An issue was discovered in Malwarebytes 4.x and 5.x and Nebula 2020-10-21 and later. A large number of Firefox preference files can cause the parser to ignore other browser configuration files, leading to a denial of service...

PT-2026-48155

An issue was discovered in Malwarebytes 4.x and 5.x and Nebula 2020-10-21 and later. A large number of Firefox preference files can cause the parser to ignore other browser configuration files, leading to a denial of service...

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...

ROS-20260609-73-0019

Vulnerability of the Graphics component: The text-based browsers Mozilla Firefox, Firefox ESR, and the email client Thunderbird are vulnerable to a numerical overflow vulnerability. Exploiting this vulnerability allows an attacker to execute arbitrary code remotely...

ROS-20260609-73-0021

The vulnerability of the Canvas2D component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to insufficient testing for unusual or exceptional states. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

ROS-20260609-73-0017

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

ROS-20260609-73-0018

The vulnerability of the WebRender component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

ROS-20260609-73-0025

The vulnerability of the Graphics component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to a numerical overflow condition. Exploiting this vulnerability can allow an attacker to cause service interruptions remotely...

ROS-20260609-73-0023

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-20260609-73-0001

The vulnerability of the IndexedDB component in browsers such as Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to the exposure of information. Exploiting this vulnerability can allow an attacker to compromise the confidentiality and accessibility of protected informati...

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...

RHEL 8 : firefox (RHSA-2026:24755)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:24755 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

CVE-2023-43686

An issue was discovered in Malwarebytes 4.x and 5.x and Nebula 2020-10-21 and later. A large number of Firefox preference files can cause the parser to ignore other browser configuration files, leading to a denial of service...

Fedora 43 : firefox (2026-91bc662689)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-91bc662689 advisory. - New upstream release 151.0.3 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus ha...

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-20260609-73-0024

Vulnerability of the Audio/Video component: Playback in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to insufficient checking of unusual or exceptional states. Exploitation of this vulnerability can allow a remote attacker to cause service failures...

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...