PT-2026-33932 · Mozilla · Firefox

Published 2026-04-21 · Updated 2026-04-21 · CVE-2026-6746

Mitre

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.

Related Identifiers

CVE-2026-6746

Affected Products

Firefox

References · 5

• https://mozilla.org/security/advisories/mfsa2026-32 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2026-31 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2026-30 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-6746 · Security Note
• https://bugzilla.mozilla.org/show_bug.cgi?id=2014596 · Note