CVE-2026-12318 | Incorrect boundary conditions in the Libraries component in … | CVSS 7.3 HIGH

Description

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

CVE ID: CVE-2026-12318
State: PUBLISHED
Assigner: mozilla
Reserved: 2026-06-15 15:08 UTC
Published: 2026-06-16 11:52 UTC
Last updated: 2026-06-16 18:07 UTC
Primary CWE: CWE-119
CWE-119 Improper Restriction of Operations within the Bounds…
Vendor / Product: Mozilla / Firefox
Sources: cve.org · NVD

7.3 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

SSVC — CISA Coordinator

Affected products (2)

Vendor	Product	Platform	Versions
Mozilla	Firefox	—	152 ≤ *
Mozilla	Thunderbird	—	152 ≤ *

Weakness (CWE)

CWE	Source	Description
CWE-119	adp	CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.3	HIGH	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References (3)