EUVD-2026-98521

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

CVE-2026-109761 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

CVE-2026-109761 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

CVE-2026-109761

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

CVE-2026-109749

A use-after-free vulnerability exists in the JavaScript: WebAssembly component affecting Firefox and Thunderbird . This security flaw was addressed and fixed in versions 158 of both products. No specific exploit details or in-the-wild exploitation information are provided in the documents.

CVE-2026-109748 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

EUVD-2026-98511

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

CVE-2026-109748 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

CVE-2026-109749 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

EUVD-2026-98510

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

CVE-2026-109749 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

CVE-2026-109748

A use-after-free vulnerability exists in the JavaScript: WebAssembly component. This flaw was addressed and fixed in Firefox 158 and Thunderbird 158 . No specific exploit details or in-the-wild exploitation data are provided in the documents.

CVE-2026-109749

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

CVE-2026-109748

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

CVE-2026-109720

A JIT miscompilation vulnerability exists in the JavaScript: WebAssembly component of the Mozilla Firefox and Thunderbird browsers. This flaw allows for the potential execution of arbitrary code, sandbox escape, information disclosure, mitigation bypass, or privilege escalation. The vulnerability...

CVE-2026-109721

The Firefox IonMonkey JIT component contains incorrect boundary conditions where a constant-folding guard incorrectly validates shift amounts. Specifically, shifts of 32, 64, or 96 pass the guard but are masked to zero during folding. When a negative number is shifted, the resulting signed int32 ...

EUVD-2026-98491

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109720 JIT miscompilation in the JavaScript: WebAssembly component

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109720 JIT miscompilation in the JavaScript: WebAssembly component

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109721 Incorrect boundary conditions in the JavaScript Engine: JIT component

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...