CVE-2026-12323

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

CVE-2026-12322

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Clickjacking issue in the Widget: Gtk component...

CVE-2026-12321

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript: WebAssembly component...

CVE-2026-12320

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure in the Password Manager component...

CVE-2026-12317

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bug fixed in Thunderbird 152...

CVE-2026-12319

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Denial-of-service in the Audio/Video: Playback component...

CVE-2026-12318

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Libraries component in NSS...

Exploit for Improper Check for Unusual or Exceptional Conditions in Mozilla Firefox

🚨 CVE-2024-4367 - Universal PDF.js Vulnerability Scanner...

RLSA-2026:27717 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Sandbox escape in the DOM: Workers component CVE-2026-12294 firefox: thunderbird: Information disclosure, sandbox escape in the Security: Process...

firefox security update

An update is available for firefox. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Firefox is an open-source web browser, designed for standards...

CVE-2026-12316

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

CVE-2026-12303

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component...

CVE-2026-12300

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bug fixed in Thunderbird 152...

CVE-2026-12326

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could...

CVE-2026-10702

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript Engine: JIT component...

CVE-2026-10701

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Graphics: Text component...

ROS-20260625-73-0019

The vulnerability of the DOM component in Firefox web browsers, Firefox ESR, and the Thunderbird email client is related to the use of memory after it is released. Exploiting this vulnerability can allow a malicious actor to compromise the confidentiality, integrity, and accessibility of protecte...

RockyLinux 8 : firefox (RLSA-2026:27717)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:27717 advisory. firefox: thunderbird: Sandbox escape in the DOM: Workers component CVE-2026-12294 firefox: thunderbird: Information disclosure, sandbox escape in the...

Oracle Linux 9 : firefox (ELSA-2026-27734)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-27734 advisory. 140.12.0-1.0.1 - Fix firefox-oracle-default-prefs.js for new nss Orabug: 37079773 - Add firefox-oracle-default-prefs.js and remove the corresponding R...

Astra Linux – Vulnerability in Firefox, Thunderbird

JIT compilation errors in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...