CVE-2026-6757

The JavaScript: WebAssembly component in Mozilla Firefox , Firefox ESR , and the Thunderbird email client contains an invalid pointer vulnerability. This flaw relates to an uninitialized pointer , which a malicious actor could exploit to trigger a service failure or service interruptions. The vul...

CVE-2026-6757

Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

PT-2026-33943

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Firefox ESR versions prior to 140.10 Thunderbird versions prior to 150 Thunderbird versions prior to 140.10 Description An invalid pointer exists in the JavaScript: WebAssembly component. Recommendations Update to...

CVE-2026-6758: Use After Free

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

Mozilla -- Invalid pointer

https://bugzilla.mozilla.org/showbug.cgi?id=2013588 reports: Invalid pointer in the JavaScript: WebAssembly component...

Astra Linux – Vulnerability in Firefox

JIT compilation errors in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148...

Astra Linux – Vulnerability in Firefox

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148...

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

Linux Distros Unpatched Vulnerability : CVE-2026-2796

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. CVE-2026-2796 Note that Nessus...

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

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