CVE-2025-49710

Description

An integer overflow was present in `OrderedHashTable` used by the JavaScript engine. This vulnerability was fixed in Firefox 139.0.4.

PUBLISHED Reserved 2025-06-09 | Published 2025-06-11 | Updated 2026-04-13 | Assigner mozilla

Product status

Credits

Shaheen Fazim

References

bugzilla.mozilla.org/show_bug.cgi?id=1970095

www.mozilla.org/security/advisories/mfsa2025-47/

cve.org (CVE-2025-49710)

nvd.nist.gov (CVE-2025-49710)

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