curl: Use after free in hyperfifo example

Summary: THIS ONLY IS AN ISSUE IN EXAMPLE CODE, NOT CURL ITSELF! In the hyperfifo example the event base is freed before the curlmulticleanup is called. This leads to a use after free in the addsocket callback, when libevent tries to lock a mutex in the base event during the curl shutdown. Link t...

PT-2016-6418

Name of the Vulnerable Software and Affected Versions libcurl versions prior to 7.50.1 Description A use-after-free issue exists in libcurl, allowing attackers to potentially control which connection is used or have other unspecified impacts. This issue arises when an application uses libcurl's...