The regex code in WebKitGTK+ before 2.14.6 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).
The regex code in WebKitGTK+ before 2.14.6 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).
https://webkitgtk.org/security/WSA-2017-0003.html