CVE-2013-1704: Mozilla Firefox

High severity, CVSS 9.3. EPSS: 4.5% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the nsINode::GetParentNode function in Mozilla Firefox before 23.0 and SeaMonkey before 2.20 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors involving a DOM modification at the time of a SetBody mutation event.

Affected products

• Mozilla Firefox: up to and including 22.0; version 19.0 only; version 19.0.1 only; version 19.0.2 only; version 20.0 only; version 20.0.1 only; …
• Mozilla Seamonkey: up to and including 2.20; version 2.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; …

Published 2013-08-07. Last modified 2026-06-16.