The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client, which allows a hacker to trigger a service failure

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...

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client, which allows a hacker to trigger a service failure

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 failures...

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client allows attackers to gain access to confidential data and compromise its integrity.

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...

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...

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...

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...

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...

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...

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 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...

ALSA-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...

FreeBSD : Mozilla -- Invalid pointer (671af4b2-4305-11f1-a627-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 671af4b2-4305-11f1-a627-b42e991fc52e advisory. https://bugzilla.mozilla.org/showbug.cgi?id=2013588 reports: Invalid pointer in the JavaScript:...

FreeBSD : Mozilla -- Use-after-free (6a439169-4305-11f1-a627-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 6a439169-4305-11f1-a627-b42e991fc52e advisory. https://bugzilla.mozilla.org/showbug.cgi?id=2013619 reports: Use-after-free in the JavaScript:...

AlmaLinux 8 : firefox (ALSA-2026:10766)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:10766 advisory. firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScrip...

RLSA-2026:10767 Important: firefox security update

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