CVE-2016-9069: Mozilla Firefox

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A use-after-free in nsINode::ReplaceOrInsertBefore during DOM operations resulting in potentially exploitable crashes. This vulnerability affects Firefox < 50.

Affected products

• Mozilla Firefox: before 50.0 (fixed in 50.0)

Published 2018-10-18. Last modified 2026-06-17.