PT-2026-33944 · Mozilla · Firefox

Published 2026-04-21 · Updated 2026-04-21 · CVE-2026-6758

Mitre

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.

Related Identifiers

CVE-2026-6758

Affected Products

Firefox

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-6758 · Security Note
• https://mozilla.org/security/advisories/mfsa2026-30 · Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=2013619 · Note