Mozilla Firefox Security Bypass Vulnerability (CNVD-2025-15499)

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 stems from the connect-src directive can be bypassed, and can be exploited by attackers to bypass security restrictions...

Mozilla Firefox and Firefox ESR Security Bypass Vulnerability (CNVD-2025-15490)

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...

OPENSUSE-SU-2025:15203-1 MozillaFirefox-139.0.4-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-139.0.4-1.1 package on the GA media of openSUSE Tumbleweed...

firefox: thunderbird: Use-after-free in FontFaceSet

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A use-after-free in FontFaceSet resulted in a potentially exploitable crash...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 8 : firefox (RHSA-2025:10186)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10186 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 7 : firefox (RHSA-2025:10181)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10181 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

The vulnerability of the OrderedHashTable component in Mozilla Firefox browsers allows a hacker to execute arbitrary code.

The vulnerability of the OrderedHashTable component in Mozilla Firefox browsers is related to integer overflow. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

The vulnerability of the CanvasHandler component in the Mozilla Firefox browser allows a hacker to execute arbitrary code.

The vulnerability of the CanvasHandler component in the Mozilla Firefox browser is related to writing beyond the buffer limit. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

RHEL 8 : firefox (RHSA-2025:10074)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10074 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Content-Disposition header ignored when a file is included in an embed or object tag CVE-2025-6430 firefox: Use-after-free in FontFaceSet CVE-2025-6424 firefox:...

SUSE: Security Advisory (SUSE-SU-2025:02122-1)

The remote host is missing an update for the 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...

The vulnerability of the FontFaceSet interface in Mozilla Firefox and Firefox ESR browsers allows a perpetrator to trigger a service failure.

The vulnerability of the FontFaceSet interface in Mozilla Firefox and Firefox ESR browsers is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability in the WebCompat extension of Mozilla browsers, including Mozilla Firefox and Firefox ESR, allows attackers to disclose protected information.

The vulnerability of the WebCompat extension in Mozilla Firefox and Firefox ESR browsers is related to insufficient protection for service data. Exploiting this vulnerability can allow a malicious actor to disclose protected information remotely...

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...

The vulnerability of the Mozilla Firefox browser on Android operating systems, related to the use of open redirection, allows attackers to carry out phishing attacks.

The vulnerability of the Mozilla Firefox browser on Android operating systems is related to the use of open redirection during the processing of the querystring parameter. Exploiting this vulnerability allows a remote attacker to carry out phishing attacks...

The vulnerability in the implementation of the TLS protocol by Mozilla Firefox allows a perpetrator to circumvent existing security restrictions and gain unauthorized access to protected information.

The vulnerability in the TLS protocol implementation of Mozilla Firefox is related to errors in the certificate validation process. Exploiting this vulnerability allows a malicious actor to bypass existing security restrictions and gain unauthorized access to protected information...

The vulnerability of the HTTPS-Only Mode mode in the Mozilla Firefox browser allows a hacker to carry out a clickjacking attack.

The vulnerability of the HTTPS-Only Mode mode in the Mozilla Firefox browser is related to information representation errors in the user interface. Exploiting this vulnerability can allow a malicious actor to carry out a clickjacking attack remotely...

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...