CVE-2015-0804: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 3.7% chance of exploitation in the next 30 days.

The HTMLSourceElement::BindToTree function in Mozilla Firefox before 37.0 does not properly constrain a data type after omitting namespace validation during certain tree-binding operations, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via a crafted HTML document containing a SOURCE element.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 14.10 only
• Mozilla Firefox: up to and including 36.0.4
• Opensuse Opensuse: version 13.1 only; version 13.2 only

Published 2015-04-01. Last modified 2026-06-17.