CVE-2026-8390

Description

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

References

• 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 ↗