high7.3
CVE-2026-8390
Use-after-free in the JavaScript: WebAssembly component.
Impact
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 150.0.3 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=2038081
- https://www.mozilla.org/security/advisories/mfsa2026-45/
- https://access.redhat.com/security/cve/CVE-2026-8390
- https://bugzilla.redhat.com/show_bug.cgi?id=2476474
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8390.json