by Kastro
Paper/Archive/CVE-2025-49710

CVE-2025-49710

Mozilla Firefox — Integer overflow in OrderedHashTable

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 54.8.548 × 2011.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
Firefoxsee advisory139.0.4CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbugzilla.mozilla.org/show_bug.cgi?id=1970095refmozilla.org/security/advisories/mfsa2025-47