CVE-2025-49710

Integer overflow in OrderedHashTable

CVSS 9.8 CRITICALEPSS 0.7%CWE-190

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.8EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

11 Jun 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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References