CVE-2026-120572

high

Incorrect boundary conditions in the Layout: Block and Inline component.

Incorrect boundary conditions in the Layout: Block and Inline component. This vulnerability was fixed in Firefox 159.0.1.

CVSS

8.8

8.8 (CVSS v3.1)

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

Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)

Timeline (UTC)

Published: 2026-11-03 14:17

Modified: 2026-11-03 16:15

NVD status: Awaiting Analysis

Last synced 1 day ago

Verified against the source API 2026-11-03 16:20 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

No vendor advisory or patch reference tagged by NVD. Check the references below.

NVD CVE API 2.0 — fetched 2026-11-03 16:20 UTC · record ↗