cbcvebase.
CVE-2026-8390
published 2026-05-12

CVE-2026-8390: Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.

high7.3CVSS 3.1
AVNACLPRNUINSUCLILAL
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.

Affected

4 ranges
VendorProductVersion rangeFixed in
mozillafirefox< Firefox 150.0.3Firefox 150.0.3
mozillafirefox< 150.0.3150.0.3
mozillafirefox
rhel10firefox-flatpak