KLA90890 DoS vulnerability in Mozilla Firefox

Heap buffer overflow vulnerability was found in Mozilla Firefox. Malicious users can exploit this vulnerability to cause denial of service. Original advisories MFSA2026-10 Exploitation Related products Mozilla-Firefox CVE list CVE-2026-2447 unknown Solution Update to the latest version Download...

MiracleLinux 4 : thunderbird-38.7.0-1.AXS4 (AXSA:2016-141:03)

The remote MiracleLinux 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2016-141:03 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security issues fixed with this release: CVE-2016-1952 Multiple unspecified...

SUSE: Security Advisory (SUSE-SU-2026:20031-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 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...

SUSE: Security Advisory (SUSE-SU-2026:0122-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 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...

firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL 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 Graphics: CanvasWebGL component...

[SECURITY] Fedora 42 Update: firefox-147.0-1.fc42

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

openSUSE 16 Security Update : MozillaFirefox (openSUSE-SU-2026:20014-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20014-1 advisory. Changes in MozillaFirefox: Firefox Extended Support Release 140.6.0 ESR was released: Fixed: Various security fixes. MFSA 2025-94 bsc1254551:...

MozillaFirefox-147.0-1.1 on GA media (moderate)

MozillaFirefox-147.0-1.1 on GA media Announcement ID: openSUSE-SU-2026:10046-1 Rating: moderate Cross-References: CVE-2026-0877 CVE-2026-0878 CVE-2026-0879 CVE-2026-0880 CVE-2026-0881 CVE-2026-0882 CVE-2026-0883 CVE-2026-0884 CVE-2026-0885 CVE-2026-0886 CVE-2026-0887 CVE-2026-0888 CVE-2026-0889...

[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-140.7.0esr-i686-1slack15.0.txz: Upgraded. This update contains security fixes and improvements. For more...

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.7.0 ESR bsc1256340. MFSA 2026-03 CVE-2026-0877: Mitigation bypass in the DOM: Security component CVE-2026-0878: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebG...

[SECURITY] Fedora 43 Update: firefox-147.0-1.fc43

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:2026-014-02)

The version of mozilla-firefox installed on the remote host is prior to 140.7.0esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-014-02 advisory. New mozilla-firefox packages are available for Slackware 15.0 and -current to fix security issues. Tenable has...

OPENSUSE-SU-2026:10046-1 MozillaFirefox-147.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-147.0-1.1 package on the GA media of openSUSE Tumbleweed...

MiracleLinux 3 : firefox-3.6.9-2.0.1.AXS3, nspr-4.8.6-1.AXS3, nss-3.12.7-2.AXS3, xulrunner-1.9.2.9-1.0.1.AXS3 (AXSA:2010-445:06)

The remote MiracleLinux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2010-445:06 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. NSPR provides platform independence fo...

MiracleLinux 3 : xulrunner-1.9.0.12-1.1AXS3 (AXSA:2009-365:02)

The remote MiracleLinux 3 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2009-365:02 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. Fixed bugs: CVE-2009-2462 The browser...

Mozilla Firefox Security Update (mfsa_2026-01) - Mac OS X

Mozilla Firefox is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2026 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_2026-02) - Mac OS X

Mozilla Firefox ESR is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2026 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";...

UBUNTU-CVE-2026-0882

Use-after-free in the IPC component. This vulnerability affects Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

Astra Linux – Vulnerability in Firefox

A compromised web process that used malicious IPC messages could cause the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4...

CVE-2026-0892

Memory safety bugs present in Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox 147 and Thunderbird 147...