Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-16389

Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 34.6%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-16389


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