CVE-2015-0821: Canonical Ubuntu Linux

Medium severity, CVSS 6.8. EPSS: 2.3% chance of exploitation in the next 30 days.

Mozilla Firefox before 36.0 allows user-assisted remote attackers to read arbitrary files or execute arbitrary JavaScript code with chrome privileges via a crafted web site that is accessed with unspecified mouse and keyboard actions.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 14.10 only
• Mozilla Firefox: up to and including 35.0.1; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; …
• Opensuse Opensuse: version 13.1 only; version 13.2 only

Published 2015-02-25. Last modified 2026-06-17.