Firefox JavaScript: WebAssembly vulnerabilities

3 known CVE vulnerabilities in Firefox JavaScript: WebAssembly, translated and rated.

CVE-2026-100792Unknown
A JIT miscompilation in the JavaScript: WebAssembly component of Firefox. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100788Unknown
An invalid pointer in the JavaScript: WebAssembly component of Firefox. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-92040High
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS