#vulnerable code 
                                public boolean isDependencyUpdateAvailable()
    {
        for ( Iterator i = dependencyVersions.values().iterator(); i.hasNext(); )
        {
            ArtifactVersions versions = (ArtifactVersions) i.next();
            if ( versions.getAllUpdates( UpdateScope.ANY, includeSnapshots ).length > 0 )
            {
                return true;
            }
        }
        return false;
    } 
                            #location 6 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                public boolean isDependencyUpdateAvailable()
    {
        for ( Iterator i = dependencyVersions.values().iterator(); i.hasNext(); )
        {
            ArtifactVersions versions = (ArtifactVersions) i.next();
            ArtifactVersion[] dependencyUpdates = versions.getAllUpdates( UpdateScope.ANY, includeSnapshots );
            if ( dependencyUpdates != null && dependencyUpdates.length > 0 )
            {
                return true;
            }
        }
        return false;
    }