The vulnerability in the `QuickTimeVideo::userDataDecoder` function of the `quicktimevideo.cpp` file in the library and command-line utilities for managing image metadata with the Exiv2 library allows a attacker to perform a denial-of-service attack.

The vulnerability of the QuickTimeVideo::userDataDecoder function in the quicktimevideo.cpp file of the library and the command-line utility for managing image metadata in Exiv2 is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could allow a...