The vulnerability in the `QuickTimeVideo::userDataDecoder` function of the `quicktimevideo.cpp` file in the library and command-line utilities for managing image metadata from Exiv2 allows a hacker to cause a service failure.

The vulnerability of the QuickTimeVideo::userDataDecoder function in the quicktimevideo.cpp file of the Exiv2 image metadata management library and command-line utility is related to a numerical overflow vulnerability. Exploiting this vulnerability could allow an attacker to perform a...