CVE-2026-4710

Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4698

CVE-2026-4698 — JIT miscompilation in the JavaScript Engine (JIT component) . The issue is disclosed for Firefox/Thunderbird products and is described as a JIT miscompilation in the JavaScript engine’s JIT path. Affected versions are Firefox < 149, Firefox ESR < 115.34, and Firefox ESR

PT-2026-27423

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Thunderbird versions prior to 149 Description A security issue exists due to a use-after-free condition within the Graphics: Canvas2D component. This can lead to a sandbox escape. Recommendations Update Firefox to...

The vulnerability of the Mozilla Firefox browser, related to the execution of operations beyond the buffer in memory, allows attackers to execute arbitrary code.

The vulnerability of Mozilla Firefox’s CSS analysis and calculation components relates to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Linux Distros Unpatched Vulnerability : CVE-2026-3846

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2. CVE-2026-3846 Note that Nessus relies o...

firefox: thunderbird: Incorrect boundary conditions in the Networking: JAR component

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

EUVD-2026-10505

Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability affects Firefox 148.0.2...

firefox: thunderbird: Privilege escalation in the Netmonitor component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Netmonitor component...

firefox: thunderbird: Use-after-free in the Audio/Video: Playback component

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

RHEL 9 : thunderbird (RHSA-2026:3983)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:3983 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox:...

RHEL 10 : firefox (RHSA-2026:3976)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:3976 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: libvpx: Hea...

Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-052 (ALASFIREFOX-2026-052)

The version of firefox installed on the remote host is prior to 140.7.0-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2FIREFOX-2026-052 advisory. time provides date and time handling in Rust. From 0.3.6 to before 0.3.47, when user-provided input is provided to any type...

AlmaLinux 8 : firefox (ALSA-2026:3338)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:3338 advisory. libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bugs...

RockyLinux 8 : thunderbird (RLSA-2026:3515)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:3515 advisory. libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bug...

libvpx: Heap buffer overflow in libvpx

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Heap buffer overflow in libvpx...

Linux Distros Unpatched Vulnerability : CVE-2026-2794

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148. CVE-2026-2794 Note tha...

RockyLinux 8 : firefox (RLSA-2026:3338)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:3338 advisory. libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bug...

RockyLinux 9 : firefox (RLSA-2026:3339)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:3339 advisory. libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bug...

Linux Distros Unpatched Vulnerability : CVE-2026-2801

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. CVE-2026-2801 Note that...

Linux Distros Unpatched Vulnerability : CVE-2026-2807

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort so...