CVE-2023-25736

9.8 criticalEPSS 0.7%

Critical (9.8) in mozilla firefox. EPSS 0.7% chance of exploitation in the next 30 days.

An invalid downcast from `nsHTMLDocument` to `nsIContent` could have lead to undefined behavior. This vulnerability affects Firefox < 110.

Severity

9.8 critical

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
Published: 2023-06-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19