bool HasFileBeenModifiedSince(const FileEnumerator::FindInfo& find_info,
                              const base::Time& cutoff_time) {
  return static_cast<time_t>(find_info.stat.st_mtime) >= cutoff_time.ToTimeT();
}

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.