dtls1_retrieve_buffered_fragment(SSL *s, long max, int *ok)
	{
	/* (0) check whether the desired fragment is available
	 * if so:
	 * (1) copy over the fragment to s->init_buf->data[]
	 * (2) update s->init_num
	 */
	pitem *item;
	hm_fragment *frag;
	int al;

	*ok = 0;
	item = pqueue_peek(s->d1->buffered_messages);
	if ( item == NULL)
		return 0;

	frag = (hm_fragment *)item->data;
	
	/* Don't return if reassembly still in progress */
	if (frag->reassembly != NULL)
		return 0;

	if ( s->d1->handshake_read_seq == frag->msg_header.seq)
		{
		unsigned long frag_len = frag->msg_header.frag_len;
		pqueue_pop(s->d1->buffered_messages);

		al=dtls1_preprocess_fragment(s,&frag->msg_header,max);

		if (al==0) /* no alert */
			{
			unsigned char *p = (unsigned char *)s->init_buf->data+DTLS1_HM_HEADER_LENGTH;
			memcpy(&p[frag->msg_header.frag_off],
				frag->fragment,frag->msg_header.frag_len);
			}

		dtls1_hm_fragment_free(frag);
		pitem_free(item);

		if (al==0)
			{
			*ok = 1;
			return frag_len;
			}

		ssl3_send_alert(s,SSL3_AL_FATAL,al);
		s->init_num = 0;
		*ok = 0;
		return -1;
		}
	else
		return 0;
	}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.