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CVE-2026-16389

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

Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Fix

Patch, vendor advisory and mitigation references on NVD 2

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 2026-10-24 20:10

Affected (CPE criteria) 2

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

References 4