CVE-2017-7806: Mozilla Firefox

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

A use-after-free vulnerability can occur when the layer manager is freed too early when rendering specific SVG content, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 55.

Affected products

• Mozilla Firefox: before 55.0 (fixed in 55.0)

Published 2018-06-11. Last modified 2026-06-17.