CVE-2025-6703 transport/fc.rs: panic attempting to send MAX_DATA with value larger max varint

Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2...

CVE-2025-6703 transport/fc.rs: panic attempting to send MAX_DATA with value larger max varint

Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2...

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...

PT-2025-26949

Name of the Vulnerable Software and Affected Versions: neqo versions 0.4.24 through 0.13.2 Description: The issue is related to an Improper Input Validation vulnerability in Mozilla neqo, which leads to an unexploitable crash. Recommendations: For neqo versions 0.4.24 through 0.13.2, update to a...

Mozilla neqo 安全漏洞

Mozilla neqo is a Rust protocol library from the Mozilla Foundation in the United States. A security vulnerability exists in Mozilla neqo versions 0.4.24 through 0.13.2, which stems from improper input validation and may cause a crash...

[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 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";...

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";...

[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...

CVE-2025-6429

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an embed tag. This could have bypassed website security...

CVE-2025-6425

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser and persisted between containers and...

CVE-2025-6430

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: When a file download is specified via the Content-Disposition header, that directive would be ignored if the file was included via a or tag, potentially making a website vulnerab...