CVE-2026-24869: Mozilla Firefox

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 147.0.2.

Affected products

• Mozilla Firefox: before 147.0.2 (fixed in 147.0.2)

Published 2026-01-27. Last modified 2026-07-15.