#fixed code
                                protected void free()
    {
        synchronized (localCandidates)
        {
            /*
             * Since the sockets of the non-HostCandidate LocalCandidates may
             * depend on the socket of the HostCandidate for which they have
             * been harvested, order the freeing.
             */
            CandidateType[] candidateTypes
                = new CandidateType[]
                        {
                            CandidateType.RELAYED_CANDIDATE,
                            CandidateType.PEER_REFLEXIVE_CANDIDATE,
                            CandidateType.SERVER_REFLEXIVE_CANDIDATE
                        };

            for (CandidateType candidateType : candidateTypes)
            {
                Iterator<LocalCandidate> localCandidateIter
                    = localCandidates.iterator();

                while (localCandidateIter.hasNext())
                {
                    LocalCandidate localCandidate = localCandidateIter.next();

                    if (candidateType.equals(localCandidate.getType()))
                    {
                        free(localCandidate);
                        localCandidateIter.remove();
                    }
                }
            }

            // Free whatever's left.
            Iterator<LocalCandidate> localCandidateIter
                = localCandidates.iterator();

            while (localCandidateIter.hasNext())
            {
                LocalCandidate localCandidate = localCandidateIter.next();

                free(localCandidate);
                localCandidateIter.remove();
            }
        }

        getComponentSocket().close();
    }
#vulnerable code 
                                protected void free()
    {
        synchronized (localCandidates)
        {
            /*
             * Since the sockets of the non-HostCandidate LocalCandidates may
             * depend on the socket of the HostCandidate for which they have
             * been harvested, order the freeing.
             */
            CandidateType[] candidateTypes
                = new CandidateType[]
                        {
                            CandidateType.RELAYED_CANDIDATE,
                            CandidateType.PEER_REFLEXIVE_CANDIDATE,
                            CandidateType.SERVER_REFLEXIVE_CANDIDATE
                        };

            for (CandidateType candidateType : candidateTypes)
            {
                Iterator<LocalCandidate> localCandidateIter
                    = localCandidates.iterator();

                while (localCandidateIter.hasNext())
                {
                    LocalCandidate localCandidate = localCandidateIter.next();

                    if (candidateType.equals(localCandidate.getType()))
                    {
                        free(localCandidate);
                        localCandidateIter.remove();
                    }
                }
            }

            // Free whatever's left.
            Iterator<LocalCandidate> localCandidateIter
                = localCandidates.iterator();

            while (localCandidateIter.hasNext())
            {
                LocalCandidate localCandidate = localCandidateIter.next();

                free(localCandidate);
                localCandidateIter.remove();
            }
        }

        getSocket().close();
    } 
                            #location 48 
                            #vulnerability type THREAD_SAFETY_VIOLATION