CVE-2016-1965: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 2.2% chance of exploitation in the next 30 days.

Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 mishandle a navigation sequence that returns to the original page, which allows remote attackers to spoof the address bar via vectors involving the history.back method and the location.protocol property.

Affected products

• Mozilla Firefox: up to and including 44.0.2; version 38.0 only; version 38.0.1 only; version 38.0.5 only; version 38.1.0 only; version 38.1.1 only; …
• Opensuse Opensuse: version 13.1 only
• Oracle Linux: version 5.0 only; version 6 only; version 7 only

Published 2016-03-13. Last modified 2026-06-17.