PT-2026-49698 · Mozilla · Firefox

Michael Froman · Published 2026-06-16 · Updated 2026-06-16 · CVE-2026-12329

Mitre

Memory safety bug fixed in Firefox ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12.

Related Identifiers

CVE-2026-12329

Affected Products

Firefox

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-12329 · Security Note
• https://mozilla.org/security/advisories/mfsa2026-58 · Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=2044738 · Note