CVE-2026-8391

CVE-2026-8391 is a Mozilla Firefox JavaScript Engine issue categorized as an “Other issue in the JavaScript Engine component.” The CVE entry states fixes in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11. Connected advisories reiterate this CVE among Firefox JS En...

CVE-2026-8391 Other issue in the JavaScript Engine component

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8390

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8390

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8390 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8390

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8390

Mozilla Firefox is affected by a use-after-free in the JavaScript: WebAssembly component (CVE-2026-8390). The issue resides in WebAssembly within Firefox’s JavaScript engine and was fixed in version 150.0.3. Affected products are Firefox releases prior to 150.0.3, across platforms referenced in t...

CVE-2026-8390 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8389 JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8389 JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8389

CVE-2026-8389 is a JIT miscompilation vulnerability in the Firefox JavaScript Engine (JIT component). Multiple connected sources (NVD, EUVD, CIRCL sighting, Debian/MD advisories, and Mozilla MFSA advisory) confirm the issue affects Firefox and was addressed in version 150.0.3. The underlying issu...

CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8388

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8388

CVE-2026-8388 corresponds to a vulnerability in the JavaScript Engine: JIT component with incorrect boundary conditions. Publicly documented fixes indicate Firefox fixed this in Firefox 150.0.3 and in Firefox ESR releases 115.36, 140.11, and Thunderbird 140.11. Connected advisories confirm Firefo...

CVE-2026-8388

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8388 Incorrect boundary conditions in the JavaScript Engine: JIT component

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8388

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8388 Incorrect boundary conditions in the JavaScript Engine: JIT component

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...