ZeroHour

CVE-2026-16411

CVSS 3.1
9.8 critical
EPSS
<1%p41
Published
()
Modified
Description

Memory safety bugs present in Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Vendors
mozilla
Products
firefox
Weakness
CWE-119
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

In the news