CVE-2016-5250: Mozilla Firefox

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

Mozilla Firefox before 48.0, Firefox ESR < 45.4 and Thunderbird < 45.4 allow remote attackers to obtain sensitive information about the previously retrieved page via Resource Timing API calls.

Affected products

• Mozilla Firefox: up to and including 47.0.1

Published 2016-08-05. Last modified 2026-06-17.