Memory corruptions on fonts parsing.
vulners.com/securityvulns/securityvulns:doc:24241
vulners.com/securityvulns/securityvulns:doc:24546
vulners.com/securityvulns/securityvulns:doc:24855
vulners.com/securityvulns/securityvulns:doc:25118
vulners.com/securityvulns/securityvulns:doc:25605