Code executions, memory corruptions, buffer overflow, integer overflow, DoS on PDF parsing.
vulners.com/securityvulns/securityvulns:doc:23040
vulners.com/securityvulns/securityvulns:doc:23041
vulners.com/securityvulns/securityvulns:doc:23042
vulners.com/securityvulns/securityvulns:doc:23043
vulners.com/securityvulns/securityvulns:doc:23390