CVE Field Guide
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CVE-2026-12329
PUBLISHED
Memory safety bug fixed in Firefox ESR 140.12
Assigner:
mozilla
Reserved:
15.06.2026
Published:
16.06.2026
Updated:
16.06.2026
Memory safety bug fixed in Firefox ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12.
Product Status
Vendor
Mozilla
Product
Firefox
Versions
unaffected from 140.12 to * (incl.)
Credits
Michael Froman
References
https://bugzilla.mozilla.org/show_bug.cgi?id=2044738
https://www.mozilla.org/security/advisories/mfsa2026-58/