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Cvelist•added 2026/06/16 11:52 a.m.•24 views

CVE-2026-12321 JIT miscompilation in the JavaScript: WebAssembly component

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

0.00159EPSS

Vulnrichment•added 2026/06/16 11:52 a.m.•6 views

CVE-2026-12321 JIT miscompilation in the JavaScript: WebAssembly component

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

5.2AI score0.00159EPSS

CVE•added 2026/06/16 11:52 a.m.•13 views

CVE-2026-12321

Summary: CVE-2026-12321 is a JIT miscompilation in the JavaScript: WebAssembly component. Affected products: Firefox and Thunderbird (WebAssembly/JS engine). Root cause: JIT miscompilation in the WebAssembly component. Impact: Not explicitly quantified beyond miscompilation; CVSS v3.1 base score ...

5.4CVSS5.2AI score0.00159EPSS

Exploits0References3Affected Software2

RedHat Linux•added 2026/05/20 7:37 a.m.•12 views

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...

RedHat Linux•added 2026/05/20 3:13 a.m.•14 views

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...

RedHat Linux•added 2026/05/20 3:8 a.m.•10 views

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...

RedHat Linux•added 2026/05/20 3:6 a.m.•13 views

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...

RedHat Linux•added 2026/05/20 2:5 a.m.•10 views

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...

RedHat Linux•added 2026/05/19 6:12 p.m.•6 views

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...

RedHat Linux•added 2026/05/19 4:14 p.m.•7 views

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...

RedHat Linux•added 2026/05/19 1:23 p.m.•8 views

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...

SUSE CVE•added 2026/05/18 1:22 p.m.•10 views

SUSE CVE-2026-8390

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

RedHat Linux•added 2026/05/14 7:58 p.m.•7 views

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...

RedHat Linux•added 2026/05/14 7:47 p.m.•6 views

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...

NVD•added 2026/05/12 2:17 p.m.•6 views

CVE-2026-8390

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

7.3CVSS0.00227EPSS

Exploits0References2

OSV•added 2026/05/12 2:17 p.m.•2 views

UBUNTU-CVE-2026-8390

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

AlpineLinux•added 2026/05/12 12:36 p.m.•9 views

CVE-2026-8390

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

Vulnrichment•added 2026/05/12 12:36 p.m.•7 views

Exploits0References2

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...

5.8AI score0.00227EPSS

Exploits0References2

CVE•added 2026/05/12 12:36 p.m.•23 views

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...