Use After Free
An exploitable use-after-free exists in the PDF parsing functionality of Lexmark Perspective Document Filters 220.127.116.110 and 18.104.22.1682. A crafted PDF document can lead to a use-after-free resulting in direct code execution.
CWE-416 - Use After Free
Use-after-free (UaF) vulnerability occurs when the application is using a pointer to memory that has been freed. Any attempt to read/write to a buffer after it is de-allocated allows memory corruption, sensitive information exposure, and can potentially lead to arbitrary code execution.