Important: firefox

Issue Overview: Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox 146. CVE-2025-14327 Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox 147, Firefox ESR 115.32, and Firefox ESR 140.7. CVE-2026-0877 Sandbox escape due to incorrec...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.2 Advanced 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...

firefox: thunderbird: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component...

firefox: thunderbird: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component...

firefox: thunderbird: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component...

Updated thunderbird packages fix security vulnerabilities

Mitigation bypass in the DOM: Security component. CVE-2026-0877 Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. CVE-2026-0878 Sandbox escape due to incorrect boundary conditions in the Graphics component. CVE-2026-0879 Sandbox escape due to integer...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Spoofing issue in the Downloads Panel component CVE-2025-14327 firefox: Use-after-free in the JavaScript: GC component CVE-2026-0885 firefox: thunderbird: Memor...

CVE-2026-0890

Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability affects Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

CVE-2026-0890

The CVE-2026-0890 entry describes a spoofing issue in the DOM: Copy & Paste and Drag & Drop component affecting Mozilla products. Affected products/components: Firefox (versions before 147) and Firefox ESR (before 140.7); Thunderbird (before 147) and Thunderbird (before 140.7). Root cause and imp...

PT-2026-2652

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 147 Firefox ESR versions prior to 140.7 Description A spoofing issue exists in the DOM Copy, Paste, and Drag & Drop components. The issue involves potential manipulation within these components, allowing for spoofing...