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CVE-2025-49710

9.8 critical SSVC exploitation: none Modified
NVD · CVE.org

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

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 9.8 · mozillaNVD modified 2026-10-23 22:10

Affected (CPE criteria) 1

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

References 2