CVE-2026-84126

Medium

Incorrect boundary conditions in the Layout: Grid component. This vulnerability was fixed in Firefox 155.

mozilla·CWE-120·Published 2026-09-01

CVSS

4.3

EPSS

—

KEV

Exploits

cve.orgen

125 chars

Incorrect boundary conditions in the Layout: Grid component. This vulnerability was fixed in Firefox 155 and Thunderbird 155.

NVDen

105 chars

Incorrect boundary conditions in the Layout: Grid component. This vulnerability was fixed in Firefox 155.

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	cve.org	4.3	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
3.1	Primary	cve.org	4.3	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N