The vulnerability in the Request Handling component of Mozilla Firefox, Firefox ESR, and the email client Thunderbird allows a hacker to bypass existing security restrictions.

The vulnerability in the Request Handling component of Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to the lack of verification of the reliability of data sources or messages. Exploiting this vulnerability can allow a malicious actor to bypass existing security...

Mozilla Firefox ESR < 31.1

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 31.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2014-69 advisory. - Apparent info leak caused by uninitialized memory with malformed GIFsCVE-2014-1564 CVE-2014-1564 Note that Nessus...

Mozilla Firefox ESR < 17.0.5

The version of Firefox ESR installed on the remote Windows host is prior to 17.0.5. It is, therefore, affected by a vulnerability as referenced in the mfsa2013-40 advisory. - CERTDecodeCertPackage reads bytes outside the input bufferCVE-2013-0791 CVE-2013-0791 Note that Nessus has not tested for...

Mozilla Firefox ESR < 17.0.5

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 17.0.5. It is, therefore, affected by a vulnerability as referenced in the mfsa2013-40 advisory. - CERTDecodeCertPackage reads bytes outside the input bufferCVE-2013-0791 CVE-2013-0791 Note that Nessus has not...

Mozilla Firefox ESR < 17.0.7

The version of Firefox ESR installed on the remote Windows host is prior to 17.0.7. It is, therefore, affected by a vulnerability as referenced in the mfsa2013-54 advisory. - Do not send data XHR HEAD requestCVE-2013-1692 CVE-2013-1692 Note that Nessus has not tested for this issue but has instea...

Mozilla Firefox ESR < 17.0.6

The version of Firefox ESR installed on the remote Windows host is prior to 17.0.6. It is, therefore, affected by a vulnerability as referenced in the mfsa2013-42 advisory. - Call content level constructor as if from a chrome/privileged pageCVE-2013-1670 CVE-2013-1670 Note that Nessus has not...

Mozilla Firefox ESR < 38.2

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 38.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2015-83 advisory. - crash in @ stagefright::SampleTable::isValid with h264 mp4CVE-2015-4480 CVE-2015-4480 - MPEG4 saio Chunk...

Mozilla Firefox ESR < 17.0.6

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 17.0.6. It is, therefore, affected by a vulnerability as referenced in the mfsa2013-42 advisory. - Call content level constructor as if from a chrome/privileged pageCVE-2013-1670 CVE-2013-1670 Note that Nessus h...

MGASA-2025-0329 Updated thunderbird packages fix security vulnerabilities

Use-after-free in the WebRTC: Signaling component. CVE-2025-14321 Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. CVE-2025-14322 Privilege escalation in the DOM: Notifications component. CVE-2025-14323 IT miscompilation in the JavaScript Engine: JIT...

[SECURITY] [DLA 4401-1] firefox-esr security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4401-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort December 11, 2025 https://wiki.debian.org/LTS -...

Debian: Security Advisory (DLA-4401-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Mozilla Firefox ESR Security Update (mfsa_2025-94) - Windows

Mozilla Firefox ESR is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:firefoxesr";...

Mozilla Firefox ESR Security Update (mfsa_2025-93) - Windows

Mozilla Firefox ESR is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:firefoxesr";...

Debian: Security Advisory (DSA-6078-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Mozilla Firefox ESR Security Update (mfsa_2025-94) - Mac OS X

Mozilla Firefox ESR is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:firefoxesr";...

Mozilla Firefox ESR Security Update (mfsa_2025-93) - Mac OS X

Mozilla Firefox ESR is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:firefoxesr";...

[SECURITY] [DSA 6078-1] firefox-esr security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6078-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff December 10, 2025 https://www.debian.org/security/faq -...

firefox: thunderbird: Privilege escalation in the DOM: Notifications component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the DOM: Notifications component...

OPENSUSE-SU-2025:15809-1 firefox-esr-140.6.0-1.1 on GA media

These are all security issues fixed in the firefox-esr-140.6.0-1.1 package on the GA media of openSUSE Tumbleweed...

Debian dsa-6078 : firefox-esr - security update

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6078 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6078-1 [email protected]...