/usr/share/bug/libapache2-mod-perl2 is in libapache2-mod-perl2 2.0.5-5ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #!/bin/sh
BUGHELPER=/usr/share/libapache2-mod-perl2/mp2bug
# The output from the bughelper must be captured and sent to file
# descriptor 3 so it gets included in the user's bug report
[ -f $BUGHELPER ] && $BUGHELPER >& 3
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