The vulnerability of the Mozilla Firefox browser and the Thunderbird email client relates to the execution of operations beyond the buffer in memory, allowing an attacker to execute arbitrary code.

The vulnerability of the Mozilla Firefox browser and the Thunderbird email client is related to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Update to MozillaFirefox 128.12.0 MFSA 2025-23, bsc1244670: CVE-2025-6424: Use-after-free in FontFaceSet CVE-2025-6425: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID CVE-2025-6426: No warning when opening...

SUSE-SU-2025:02122-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Update to MozillaFirefox 128.12.0 MFSA 2025-23, bsc1244670: - CVE-2025-6424: Use-after-free in FontFaceSet - CVE-2025-6425: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID - CVE-2025-6426: No warning when opening...

[SECURITY] Fedora 41 Update: firefox-140.0-1.fc41

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability...

[SECURITY] Fedora 42 Update: firefox-140.0-1.fc42

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability...

Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2025-175-02)

The version of mozilla-firefox installed on the remote host is prior to 140.0esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2025-175-02 advisory. New mozilla-firefox packages are available for Slackware 15.0 and -current to fix security issues. Tenable has...

Mozilla Firefox ESR Security Update (mfsa_2025-52) - 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_2025-53) - 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_2025-53) - 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 Security Update (mfsa_2025-51) - Windows

Mozilla Firefox 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:firefox";...

The vulnerability in the HTTP Header Handler component of Mozilla Firefox and Firefox ESR browsers allows attackers to perform cross-site scripting (XSS) attacks.

The vulnerability of the HTTP Header Handler component in Mozilla Firefox and Firefox ESR browsers is related to the failure to protect the web page structure during the processing of the Content-Disposition parameter. Exploiting this vulnerability allows a remote attacker to perform cross-site...

Mozilla Firefox Security Update (mfsa_2025-51) - Mac OS X

Mozilla Firefox 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:firefox";...

Mozilla Firefox ESR Security Update (mfsa_2025-52) - 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";...

[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-140.0esr-i686-1slack15.0.txz: Upgraded. This update contains security fixes and improvements, and moves to th...

UBUNTU-CVE-2025-6430

When a file download is specified via the Content-Disposition header, that directive would be ignored if the file was included via a embed or object tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability affects Firefox 140, Firefox ESR 128.12, Thunderbi...

Mozilla Firefox 安全漏洞

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. A security vulnerability exists in Mozilla Firefox versions prior to 140, which stems from a memory security issue that could lead to memory corruption and the execution of arbitrary code...

Mozilla Firefox 安全漏洞

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox web browser. A security bypass vulnerability exists in Mozilla Firefox and Firefox ESR, which can be exploited by attackers to bypass security restrictions...

Mozilla Firefox和Mozilla Firefox ESR 安全漏洞

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is a suite of email client software separate from the Mozilla Application Suite. A memory error vulnerability exists in several Mozilla products, which c...

Mozilla Firefox 安全漏洞

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. A security vulnerability exists in Mozilla Firefox versions prior to 140, which stems from allowing WebAuthn challenges despite invalid TLS certificates, which could lead to security risks...

Mozilla Firefox 安全漏洞

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. A security bypass vulnerability exists in Mozilla Firefox, which can be exploited by attackers to bypass security restrictions...