CVE-2026-3845: Mozilla Firefox

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Heap buffer overflow in the Audio/Video: Playback component in Firefox for Android. This vulnerability was fixed in Firefox 148.0.2.

Affected products

• Mozilla Firefox: before 148.0.2 (fixed in 148.0.2)

Published 2026-03-10. Last modified 2026-06-17.