RLSA-2026:12285 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-6754 firefox: thunderbird: Spoofing...

SUSE-SU-2026:1741-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues Updated to Mozilla Thunderbird 140.10.1: MFSA 2026-34 bsc1262230: - CVE-2026-6746: Use-after-free in the DOM: Core & HTML component. - CVE-2026-6747: Use-after-free in the WebRTC component. - CVE-2026-6748: Uninitialized memory in the...

RockyLinux 10 : thunderbird (RLSA-2026:12285)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:12285 advisory. firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the...

VM2 Has a WASM Sandbox Escape

Summary Full sandbox escape with arbitrary code execution. Attacker code inside VM.run obtains host process object and runs host commands with zero host cooperation. Details Confirmed on: vm2 3.10.4, Node.js v25.6.1 x64 Linux Trigger: Attacker-controlled code passed to VM.run Requires: Node.js...

firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component

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

RHEL 8 : thunderbird (RHSA-2026:13537)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:13537 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the...

ALSA-2026:13537 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-6754 firefox: thunderbird: Spoofing...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-6754 firefox: thunderbird: Spoofing...

WebAssembly DoS

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client is related to type conversion errors. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

WebAssembly Firefox Thunderbird Confidential Data Compromise

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to gain access to confidential data and compromise its integrity...

WebAssembly DoS

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client is related to insufficient checking of unusual or exceptional states. Exploiting this vulnerability could allow a remote attacker to cause service failures...

RHEL 10 : thunderbird (RHSA-2026:12285)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:12285 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the...

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...

firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component

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

[SECURITY] Fedora 42 Update: binaryen-126-1.fc42

Binaryen is a compiler and toolchain infrastructure library for WebAssembly, written in C++. It aims to make compiling to WebAssembly easy, fast, and effective: Easy: Binaryen has a simple C API in a single header, and can also be used from JavaScript. It accepts input in WebAssembly-like form bu...

[SECURITY] Fedora 43 Update: binaryen-126-1.fc43

Binaryen is a compiler and toolchain infrastructure library for WebAssembly, written in C++. It aims to make compiling to WebAssembly easy, fast, and effective: Easy: Binaryen has a simple C API in a single header, and can also be used from JavaScript. It accepts input in WebAssembly-like form bu...

AlmaLinux 10 : firefox (ALSA-2026:10767)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:10767 advisory. firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScri...

PT-2026-38398

Name of the Vulnerable Software and Affected Versions Wasmtime versions prior to 36.0.8 Wasmtime versions prior to 43.0.2 Wasmtime versions prior to 44.0.1 Description Allocation logic for a WebAssembly table contains checked arithmetic that panics on overflow when a table with an extremely large...

RockyLinux 8 : firefox (RLSA-2026:10766)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:10766 advisory. firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScri...

AlmaLinux 9 : firefox (ALSA-2026:10757)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:10757 advisory. firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScrip...