CVE-2015-2711: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 1.9% chance of exploitation in the next 30 days.

Mozilla Firefox before 38.0 does not recognize a referrer policy delivered by a referrer META element in cases of context-menu navigation and middle-click navigation, which allows remote attackers to obtain sensitive information by reading web-server Referer logs that contain private data in a URL, as demonstrated by a private path component.

Affected products

• Mozilla Firefox: up to and including 37.0.2
• Opensuse Opensuse: version 13.1 only; version 13.2 only

Published 2015-05-14. Last modified 2026-06-17.