CVE-2026-12318

Incorrect boundary conditions in the Libraries component in NSS

High · published June 16, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
17.2
In the wild
Unconfirmed
What it is

Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00263 · 17.2th percentile
Published
2026-06-16T11:52Z
EPSS history
Timeline
  • 16 JUN 11:52Z
    Incorrect boundary conditions in the Libraries component in NSS
    cvelistv5