CVE-2026-84126
Medium · 4.3CVSS
4.3
EPSS
0.3%
Published
Sep 1, 2026
CISA due date
—
The record
Incorrect boundary conditions in the Layout: Grid component. This vulnerability was fixed in Firefox 155 and Thunderbird 155.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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