CVE-2016-9643: Webkit

High severity, CVSS 7.5. EPSS: 3.1% chance of exploitation in the next 30 days.

The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).

Affected products

• Webkit Webkit: version 2.4.11 only

Published 2017-03-07. Last modified 2026-06-17.