ZeroHour
DashboardNewsCVEsExploitsIncidentsAIBriefAnalyticsEntitiesWatchlistIOCsAsk the feedSourcesFeeds & APIKiosk mode

CVE-2026-16389

—
CVSS 3.1
9.8 critical
EPSS
<1%p45
Published
()
Modified
Description

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

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-190
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.6%)

In the news

No ingested article mentions this CVE yet.